Monthly Archives: April 2017

Blame it on the Jews? Economic Incentives and Persecutions during the Black Death

Negative Shocks and Mass Persecutions: Evidence from the Black Death

by Remi Jedwab (George Washington University), Noel D. Johnson (George Mason University) and Mark Koyama (George Mason University)

ABSTRACT- In this paper we study the Black Death persecutions (1347-1352) against Jews in order to shed light on the factors determining when a minority group will face persecution. We develop a theoretical framework which predicts that negative shocks increase the likelihood that minorities are scapegoated and persecuted. By contrast, as the shocks become more severe, persecution probability may actually decrease if there are economic complementarities between the majority and minority groups. We compile city-level data on Black Death mortality and Jewish persecution. At an aggregate level we find that scapegoating led to an increase in the baseline probability of a persecution. However, at the city-level, locations which experienced higher plague mortality rates were less likely to engage in persecutions. Furthermore, persecutions were more likely in cities with a history of antisemitism (consistent with scapegoating) and less likely in cities where Jews played an important economic role (consistent with inter-group complementarities).

URL: http://econpapers.repec.org/paper/pramprapa/77720.htm

Distributed by NEP-HIS on 2017‒04‒02

Review by Anna Missiaia  (Lund University)

Both history and the current world provide several examples of ethnic and religious minorities becoming the target of persecutions by the majority. Especially after the Holocaust, a growing number of scholars from different fields have inquired into the causes of these persecutions. In particular, the question is whether the chance of persecution against minorities is directly related to negative shocks such as harvest failures, economic depressions or plague. This paper by Jedwab, Johnson and Koyama addresses this question by looking at the persecutions against Jews during the Black Death (1347-1352) in Europe. The authors adopt a theoretical framework in which the negative shock represented by the Black Death has two possible effects on the probability of persecutions: on the one hand, the scapegoating effect leads to attributing the responsibility of the plague to the Jews, decreasing the preference for diversity in society and therefore leading to persecutions. On the other hand, if the minority represents some value to the majority (for instance because of money lending or because of high-skill jobs in which they cannot be easily replaced), the incentive to persecute decreases, with the complementarity effect prevailing. The two effects compete and the decision to persecute Jewish communities depends on the comparison between the utility that the majority derives from persecution and the economic benefit that the minority provides if left untouched.

The authors compile a dataset for 124 locations containing plague mortality rates from Christakos et al. (2005) and information on Jewish persecutions mainly from Encyclopedia Judaica. The aim is to test the effect of mortality caused by the Black Death on the probability of persecution of the local Jewish community. To assure the reader on the soundness of their identification strategy, the authors collect an impressive number of geographical and institutional controls to capture the effect of several other elements that could trigger persecutions. The paper of course cannot take into account all potential sources of bias but the authors thoughtfully address several potential problems using anecdotal and scientific evidence, proposing some convincing arguments to defend their choices. For instance, they spell out in detail the characteristics of the contagion proving that its pattern was largely determined by chance. The virulence of the plague was also unaffected by human behavior (by both Jews and non-Jews), ruling out the possibility of some causality running from the presence of Jews to the intensity of the plague.  The instruments for mortality are also quite convincing:  the two IV proposed are distance from Messina (a Sicilian port city where the first contagion was recorded) and month of the first infection. If it is true that the geographical origin and pattern of propagation of the Black Death were random, the instruments appear exogenous.

Figure 1: Pogrom of Strasbourg (1349) by Emile Schweitzer

Unsurprisingly, the authors find that the period 1347-1352 has indeed seen an unpreceded (and unrepeated until WWII) wave of persecutions against Jewish communities in Europe (Figure 2).

Figure 2: Total Number of Jewish Persecutions in 1100-1600.

What is far more surprising is that there is indeed a general increase in the baseline level (basically, on the intercept) but this effect does not grow stronger as mortality rates are higher. In the model, the constant is 0.831 which indicates a high risk of being persecuted on average but the effect of mortality of the persecution probability is negative and quite substantial (minus 0.34 standard deviations for one standard deviation increases in mortality). The shock appears to have a counter-veiling effect, as cities with the highest mortality were less likely to persecute Jews. In essence, in cities where Jews have a strong economic role, the complementarity effect prevailed. The take home message is therefore that persecutions have a general ideological origin but economic incentives can at least reduce violence against minorities.

This paper is nested into a very large literature on the origins and determinants of persecutions. On the Jewish case, a recent paper by Voigtländer and Voth (2012) has shown that the location of the persecutions during the Black Death in Germany is a strong predictor of the location of episodes of violence against Jews in the 1920s. This paper fills a gap by looking at the determinants of the medieval persecutions in first place. This work is also well connected to the body of research looking at the economic aspects of Jewish history, to which Botticini and Eckstein (2012) provided a seminal contribution. On a more general note, this paper represents a call for the inclusion of a microeconomic perspective when studying how persecutions of minorities arise.

References

Botticini, Maristella and Zvi Eckstein, The Chosen Few. Princeton, NJ: Princeton University Press, 2012.

Christakos, George, Richardo A. Olea, Marc L. Serre, Hwa-Lung Yu, and Lin-Lin Wang, Interdisciplinary Public Health Reasoning and Epidemic Modelling: The Case of Black Death, Berlin: Springer, 2005.

Voigtländer, Nico and Hans-Joachim Voth, “Persecution Perpetuated: The Medieval Origins of Anti-Semitic Violence in Nazi Germany,” Quarterly Journal of Economics, 2012, 127 (3), 1–54.

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Assessing the Determinants of Economic Growth in South East Asia

The Historical State, Local Collective Action, and Economic Development in Vietnam

By Melissa Dell (Harvard University), Nathaniel Lane (Stockholm University), Pablo Querubin (New York University)

Abstract – This study examines how the historical state conditions long-run development, using Vietnam as a laboratory. Northern Vietnam (Dai Viet) was ruled by a strong centralized state in which the village was the fundamental administrative unit. Southern Vietnam was a peripheral tributary of the Khmer (Cambodian) Empire, which followed a patron-client model with weaker, more personalized power relations and no village intermediation. Using a regression discontinuity design across the Dai Viet-Khmer boundary, the study shows that areas historically under a strong state have higher living standards today and better economic outcomes over the past 150 years. Rich historical data document that in villages with a strong historical state, citizens have been better able to organize for public goods and redistribution through civil society and local government. This suggests that the strong historical state crowded in village-level collective action and that these norms persisted long after the original state disappeared.

URL: http://econpapers.repec.org/paper/nbrnberwo/23208.htm

Circulated by nep-his on 2017/03/19

Review by Fernando Arteaga (George Mason University)

What was the impact of the ancient Vietnamese Dai Viet empire in promoting long-term economic development? That is the main question the authors try to assess. Their inquiry is embedded within the now large literature on the importance of culture and institutions, as deep determinants of growth. The contribution the paper makes is, however, not restricted to adding one more piece of evidence in favor of it, but, more importantly, in providing empirical support for a specific transmission channel: how state capacity can be built through time via the fostering of local self-organization capabilities.

The paper’s main story builds on the idea that two distinct meta-societies existed within East Asia, and idea around which, by the way, there is general agreement. One of these societies based on Chinese precepts, prevalent in the Northeastern region; and other spread in the Southeast throughout the Indian Ocean.  Societies of the former category were historically constituted around a sort of Weberian professional bureaucracy that consolidated the working of a central state. The latter depended more on informal networking mechanisms among local elites to survive, and hence, tended to promote hierarchical patriarchal relationships.

Today’s Socialist Republic of Vietnam (henceforth Vietnam) is an interesting case study precisely because it arose out of the union of those two distinct cultures. The northern part, the Dai Viet, is an example of a Sino-style state, while the southern part of Vietnam (initially part of the Champa State and later as part of the larger Khmer Empire) resulted from a Indo-style society.  Figure 1 below offers map of present day Vietnam aligned with the size of the historical Dai Viet empire. Figure 1 suggests the Dai Viet expanded southwards through time but ended up establishing its final frontier in 1698 (orange color). It is this border the authors think provides a natural experiment that allows a clean regression discontinuity (RD) strategy that permits the disentanglement of the effect of being part of a bureaucratized state vis a vis a patriarchal state.

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Figure 1: Dai Viet Historical Boundaries (Dell et al., 2017)

The use of the RD design is appropriate, the authors argue, because the chosen border resulted from exogenous contingencies that do not reflect any difference in future economic potential. The 1698 demarcation was settled on the ridges of a river, but there was nothing else particular to it that made that boundary preferable to other potential borders. The Dai Viet stopped its expansion because of constrains imposed by a local civil war (something that has nothing to do with the river itself). Moreover, the environmental characteristics of both sides of the river are almost identical (or vary smoothly), so there is no important geographical difference either. The only thing that changes abruptly is that on the east shore of the 1698 border, Dai Viet settlers occupied and controlled the land, while Khmer villagers occupied and controlled the land to the west of the river. Another possible counterargument to the use of the 1698 border as a natural experiment is the relevance of migration: if settlers moved across villages (at any time after the establishment of the original border), then the boundary becomes inconsequential. The authors argue that, even though they do not have historical data to control for it, there is qualitative evidence that refers to negative attitudes towards outsiders within the villages, which constitutes an important constraint to any major migratory flow. Today, both sides are part of Vietnam. It is then possible to assess if Die Viet institutions still exert some type of effect in current economic outcomes.

Figure 2 portraits the main outcome of the paper. Using household expenditure data from recent censuses (2002-2012), the authors find that today, villages situated along the historical Die Viet side of the border earn a third more than those communities that are situated on the historical Khmer side (Within the figure, the darker the zone depict lower earnings).

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Figure 2a: Household Consumption, RD Graph (Dell et al., 2017)

The authors, however, not content with establishing the effects on current outcomes, look for historical evidence too. They collect data from different periods of Vietnamese history: 1878-1921 for the French Colonization, 1969-1973 for the South Vietnam State, and 1975-1985 for the early Communist Period; and find that the pattern is persistent through time: The Diet Viet zone is, in general, more developed than the Khmer side.

How can these results be interpreted?  The income differences must be due to the Die Viet heritage of greater state capacity that acted through local community self-organization that made them more co-operative and facilitated the resolution of local collective action problems. To test whether this transmission channel matters, the authors looked for data on social capital. Their main sources were the surveys and census of the South Vietnamese period. What they find corroborates their story: villagers on the Diet Viet side were more prone to participate in community activities, to collect more taxes (that at the time were local responsibility, not provincial), to have greater access to public goods (health, school and law enforcement), to be skeptical of central government in favor of local, and to give more to charity.

Comment

All in all, the authors do a thorough job in assessing the robustness of their main story. They control for several of potential alternative stories and/or possible variables that could affect the results and mechanisms.  Any critique of it may sound redundant or unreachable.  Yet, I would point to three different aspects that may be important.

First, and perhaps most importantly, I would stress that although the argument makes sense, the narrative is unclear as to how specifically the Dai Viet, which supposedly was a centralized bureaucratized state, fostered local governance. As the authors mention in the introduction, the literature on social capital is ambivalent on its effects on economic outcomes. As it is, the paper’s contribution is the finding of empirical evidence on the presence of a particular transmission channel (from state to local governance), but without a clear model and/or an analytical narrative, we are left in the dark about how explicitly this mechanism worked its way throughout society.

Second, and pushing the level of pickiness even further, one can always speak of a potential omitted variable bias. I must ask then: what about genes? The authors minimize ethnic fragmentation as a problem because they find the studied area is cataloged as being almost entirely composed of homogeneously ethnic Vietnamese. The problem is that censuses and surveys may under-report true ethnicity, and cannot capture genetic differences at all. By the authors’ own account, we are told the Diet Viet State originated as, and remained for a long time, Chinese. Moreover, as Tran (1993) attests, Chinese ethnicity may conflate the results of the paper in other several ways:

  • the largest Chinese migration occurred between the late 17th century and early 19th century, just at the time that the Dai Viet-Khmer border was being established;
  • The Chinese settled mostly in southern Vietnam, the part that the authors use as study case;
  • Chinese early importance resided precisely in that they helped establish new villages and trade outposts. They (not merely the Diet Viet heritage) helped to build local governance structures.

If ethnicity has been underreported and/or Chinese genetics matter in fostering economic development in any way (as suggested by Ashraf-Galor, 20013a, 2013b) then the interpretation of the paper could dramatically change: the importance of the Dai Viet state would be downplayed in favor of just being more ethnic/genetic Chinese. After all, it is known that there is a correlation between having larger ethnic Chinese minority and larger economic growth (Priebe and Rudulf, 2015).

Third, related to the last point: one would expect that given the importance of the result – the long-term reach of Diet Viet institutions–, its impact would feel more broadly across all the territory, not only in the immediate zones of the frontier which were the last to be incorporated into the state.  Figure 3, for example, shows the level of poverty in Vietnam (Epprecht-Heinmann,2004). It is visible that the area under study (along the last border of the historical Diet Viet) has the lowest share of poverty in the whole country. The immediate area to the left (which coincides with the area that historically belonged to the Khmer Empire) is poorer indeed. But the differences are minor if we compare them to the rest of current Vietnam, which belonged almost entirely to the Diet Viet, and has the largest poorer areas.  The RD design may be identifying a non-observable variable that is concentrated in the southern part (like ethnicity or/and genes) and is not broadly distributed across the rest of Vietnam.

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Figure 3: Incidence of Poverty in Vietnam (Epprecht-Heinmann, 2004: 155).

Additional References

Ashraf, Q., Galor, O., 2013a. Genetic Diversity and the Origins of Cultural Fragmentation. The American Economic Review: Papers on Proceedings 103, 528–533.

Ashraf, Q., Galor, O., 2013b. The “Out of Africa” Hypothesis, Human Genetic Diversity, and Comparative Economic Development. American Economic Review 103, 1–46.

Epprecht, M., Heinemann, A., 2004. Socioeconomic Atlas of Vietnam: A depiction of the 1999 Population and Housing Census. Swiss National Centre of Competence in Research, Bern.

Priebe, J., Rudolf, R., 2015. Does the Chinese Diaspora Speed Up Growth in Host Countries? World Development 76, 249–262.

Trần, K., 1993. The Ethnic Chinese and Economic Development in Vietnam. Institute of Southeast Asian Studies, Singapore.

Historicising Business Strategy

Evolving Ideas about Business Strategy

by Pankaj Ghemawat (NYU Stern, USA and IESE Business School, Spain)

Abstract

This paper updates an earlier article published in Business History Review that concluded that by the second half of the 1990s, there had been a profusion of new, purportedly practical ideas about strategy, many of which embodied some explicit dynamics. This update provides several indications of a drop-off since then in the rate of development of new ideas about strategy but also a continued focus, in the new ideas that are being developed, on dynamics. And since our stock of dynamic frameworks has, based on one enumeration, more than doubled in the last fifteen to twenty years, updating expands both the need and the empirical basis for some generalizations about the types of dynamic strategy frameworks—and strategy frameworks in general—that managers are likely to find helpful versus those that they are not.

Source: Business History Review 90, 1-23 (DOI: https://doi.org/10.1017/S0007680516000702)

Review by Kyle Bruce (Macquarie University, Australia)

Editor’s note

Ghemawat’s 2017 paper below should not be read in isolation but as part of a round table organized at Harvard Business School that brought together historians and management scholars to discuss the origins of ideas in business and management. The results of the round table were published as a special edition of the Business History Review. In this sense, Ghemawat’s contribution to the special issue and its discussion by Chris McKenna (in the same special issue) came to an independent yet similar conclusion to that expressed by Nobel laureate Robert Shiller, who suggested “that in the age of social information networks, economists need to rethink how and why information really spreads.” (See a summary of Shiller’s ideas in The Role of Narratives in Economics).

It is laudable that the executive editors of the Business History Review created a space to disseminate the results of the round table through the journal. However, as you will read below, Kyle Bruce questions whether this is the right way to engage other management scholars in business history as, strictly speaking, the contribution by Ghemawat would be found wanting as scholarly work of international standing.

A final note is that in its comments to Ghemawat, even McKenna gets it wrong by pointing to Lotus 1-2-3 as the first spreadsheet. It actually was VisiCalc.

Having said that, the aim in this space is to generate academic debate through a blog format. So by all means do chip in.

Bernardo Bátiz-Lazo
General Editor NEP-HIS & Editorial Board member, Business History Review.

As a historian and teacher of strategy and, moreover, as a close follower of Ghemawat’s work, I was very much looking forward to his recent update of his 2002 BHR paper on the history of the sub-discipline. I habitually invoke the decade-and-a-half old piece as background reading for my Executive MBA strategy students and hitherto have experienced little, if any, pushback from students typically cagey about the words “theory” or “history”. Regrettably, I am not so sure the updated paper under review here will escape unscathed for the simple reason that it is pretty tough to follow. Let me explain.

After briefly overviewing the 2002 paper that in essence discerned a profusion of new ideas about strategy – particularly those embodying a more dynamic approach – dating from the early to mid-80s, Ghemawat introduces his new findings. After a big peak in the mid-90s, there has been a marked drop-off in new ideas, but dynamics “is a sustained interest focus of strategic innovation rather than one of passing interest” (p. 5; emphasis added). So far, so good you might think, but I started to worry about the phraseology (“strategic innovation”?) attendant on the use of analytical tools from strategy and adjacent sub-disciplines to make sense of his findings; namely, “what should one make of the drop-off overall and the shift toward more attention to dynamics? And what, if anything, should be done?” (p. 8).

Pankaj Ghemawat

Pankaj Ghemawat

Unless the strictures concerning the dreaded “so what?” question have been lifted in history journals such as BHR, I could not discern after several reads a compelling argument as to why readers should be at all bothered by the findings presented? For students of the strategy-as-practice literature, for instance, the suggestion there’s fewer models and frameworks out there for practising managers to employ is not a concern given they probably don’t use them anyway. For my MBA students who routinely complain of framework fatigue, again, the theory drop-off is not a problem. And so, for me, the remainder of the paper was rather superfluous and unnecessarily complex. Curiously, I think Ghemawat makes it so when he concludes that while it’s certain there’s been a drop-off in the “rate of development of big new strategy ideas/frameworks, it is much harder to be definite about the welfare implications” (p. 10; emphasis added). For me, this conclusion renders redundant both the ensuing “what is to be done” question he poses, as well as the next eight-and-half pages of the article devoted to “a critical assessment of frameworks new and old” (p. 2).

After several reads of these aforementioned pages, I could not really follow or appreciate the “irreversibility” and “uncertainty” dimensions utilised to assess how dynamic current frameworks really are. However, I felt comforted when Ghemawat concludes that “quite a few” of said frameworks “seem subject to some practical limitations” (p. 19). This comfort was short-lived, though, when he finishes the paper with the frustrating and seemingly throwaway line that the way forward, as it were, “is to shift some attention away from the chronologies of frameworks to historiography that attempts to assess them in some fashion” (p. 21). I immediately asked myself: “well, why didn’t he just do this, then??”

fashion-management

For me, and I trust also BHR readers, a historiographical piece embodying intellectual history, actor-network theory, or sociology of scientific knowledge to account for the “trials of strength” in strategy theory, the tension between contributions from the academy and those from business practice, and the current fascination with dynamics, would have been an easier and more interesting read. Like much being published in business and management history journals of late, Ghemawat’s paper is short on actual history and, notwithstanding the final sentence, even short on how to DO history. I was left wondering why this paper was published in this journal and asking myself what this paper’s place tells me about BHR? I have no answers for these questions but look forward to some in due course.

References

Ghemawat, P. (2002) “Competition and Business Strategy in Historical Perspective”, Business History Review 76(1): 37-74. (DOI: https://doi.org/10.2307/4127751)

Little Britain? Empire and the rise of protectionism in interwar Britain.

When Britain turned inward: Protection and the shift towards Empire in interwar Britain

By Alan de Bromhead (Queen’s University Belfast), Alan Fernihough (Queen’s University Belfast), Markus Lampe (Vienna University of Economics and Business) and Kevin Hjortshøj O’Rourke (University of Oxford)

International trade became much less multilateral during the 1930s. Previous studies, looking at aggregate trade flows, have argued that discriminatory trade policies had comparatively little to do with this. Using highly disaggregated information on the UK’s imports and trade policies, we find that policy can explain the majority of Britain’s shift towards Imperial imports in the 1930s. Trade policy mattered, a lot.

URL http://econpapers.repec.org/paper/nbrnberwo/23164.htm

Distributed by NEP-HIS on: 2017-03-20

Reviewed by Mark J Crowley

This paper provides an interesting insight into tariffs, and their role in interwar Britain from a perspective that has not been previously examined.  An examination of this issue is timely, especially with the debates surrounding the implication of Britain’s withdrawal from the European Union, and the threats issued by the American Trump administration concerning future trade policy.  It demonstrates that the impact of tariffs during the economic crises of the 1930s had a variable impact, and did not always achieve their intended outcome.  In this respect, the impact of punitive trade policies from a historical perspective can provide a very important context to future negotiations as the world becomes acclimatised to a very different political landscape.

Tariff reform was a huge issue for the British government in the early twentieth century, and the subject of significant political propaganda.

The paper is deeply researched, and draws on a wide collection of data.  One of the main conclusions is that trade blocs made very little difference, nor did the imperial preference scheme, to the balance and nature of the British economy in the crisis years.  However, it does show that the change in the nature of trade, away from free trade to focusing specifically on empire did have specific outcomes that shaped the direction of the British economy, but that these changes were caused specifically by trade policy rather than anything else.  Indeed, the authors show that as a result of the changing nature of the British government’s trade policy, a 70% increase in empire trade was reported in the period 1930-33.  In this respect, the paper poses a very interesting question that is addressed, but will need further historical enquiry:  Did trade policy contribute to return of intra-Imperial trade?

The paper looks at a range of policies pursued by the British government in the period after the First World War, some of which were discriminatory, in order to evaluate the nature of its economic and trade development.  In compiling their conclusions, a huge amount of data was analysed, including data sets from 42 countries examining 200 products categories between 1924-1938.   The data showed that dramatic changes were seen in the nature of Britain’s trade and economic policy in the period 1931-33.  Nevertheless, these changes had long roots.  The abolition of free trade after the First World War saw the introduction of the McKenna Duty, which imposed a 33.5% tariff on cars, clocks, watches, films and musical instruments ad valorem (based on the value of the goods).  This was later intensified with the implementation of the 1921 Safeguarding of Industries Act, where a 33.5% tariff was placed on the imports of key goods.  However, despite the apparent punitive nature of these policies, the British economy was largely Liberal up to 1930, when the Abnormal Importations Act allowed 100% tax on all manufactured goods from outside the empire.

tr2

Utilising goods from the empire was seen as an excellent opportunity for the British government to stablilise its economy during the challenges of the Great Depression.

Realising the potential difficulties that such a punitive law could unleash, a more compassionate deal was reached in the 1932 Import Duties Act, where it was agreed that a 10% tax be imposed on imported goods, although this exempted products from the empire.  This concession was achieved with the aim of ensuring improved access to dominion markets, and resulted in several bilateral agreements with Canada, Australia, New Zealand, South Africa, Newfoundland, India and Southern Rhodesia.  Nevertheless, with the introduction of quotas for agricultural products through the Agricultural Marketing Acts of 1931 and 1933, there were now restrictions on the type of farming products that could be imported.  Moreover, in a tone that is reminiscent of the pro-Brexit camp both during and after the referendum, the British explored deals that went beyond the traditional confines of Europe in order to strengthen its economy, and this included Scandinavian countries and Argentina.  This not only improved British trade prospects, but provided the mutually-beneficial element to these countries in order to maintain access to the British market for the purpose of trade.

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The 1932 Import Duties Act was seen by many as symbolic of punitive protectionist policies pursued by the British government.

Critique

There are so many fantastic elements to this paper that not only shed new light on the issue of tariffs, but also provide the foundation for future debate.  Nevertheless, the authors have highlighted what they believed were the difficulties in their research, especially concerning the masses of data that they collected.  They believed that there were inconsistencies in the data, but have done a wonderful job in using spreadsheets to predict the results in the absence of concrete data.  In some cases, the use of complicated mathematical formulas has been used to come to these conclusions.  The fact that the paper engages in counterfactual debate provides an important foundation for future discussion, but also lends itself to its own difficulties.  Counterfactuals, although interesting, cannot be definitively proven.   In this respect, the paper poses several “what if” questions relating to tariffs, especially what would have happened if tariffs had not been increased.  In their conclusions, they argue that it appears that the empire did better with tariffs than without, and if there was free trade, there would only have been a modest increase in the empire share of trade.  Thus, the impact of British protectionist policies proved substantial, and, they argue, account for a shift of around 50% of trade towards the empire by 1930.   The conclusions are interesting and useful, but as the authors explain, a lot of work needed to be done to fill the gaps in the data.  It is the interpretation of these gaps in the data, especially the ways in which some conclusions have been reached through the use of counterfactual debate that will undoubtedly provide the platform for future historical enquiry on this topic.

References

Eichengreen, Barry, and Douglas A. Irwin. The slide to protectionism in the Great Depression: Who succumbed and why?. No. w15142. National Bureau of Economic Research, 2009.

Capie, Forrest. Depression & Protectionism: Britain Between the Wars. Vol. 2. Routledge, 2013.

Temin, Peter. Lessons from the great depression. MIT Press, 1991.