Exploring trade globalization in the long run: The RICardo project

Dedinger, Béatrice; Girard, Paul

doi:10.1080/01615440.2016.1220269

Cited by 33 publications

(13 citation statements)

References 22 publications

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“…Over this period, effective population size drastically decreased in the two lineages and started increasing only after the populations were completely separated. This recent increase in estimates of N e might be correlated with increased trading towards the end of the 18th century (Dedinger & Girard, 2017). Thus, secondary contacts might have been driven by human commerce.…”

Section: Discussionmentioning

confidence: 99%

Transposable elements and introgression introduce genetic variation in the invasive ant Cardiocondyla obscurior

et al. 2021

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Introduced populations of invasive organisms have to cope with novel environmental challenges, while having reduced genetic variation caused by founder effects. The mechanisms associated with this "genetic paradox of invasive species" has received considerable attention, yet few studies have examined the genomic architecture of invasive species. Populations of the heart node ant Cardiocondyla obscurior belong to two distinct lineages, a New World lineage so far only found in Latin America and a more globally distributed Old World lineage. In the present study, we use population genomic approaches to compare populations of the two lineages with apparent divergent invasive potential. We find that the strong genetic differentiation of the two lineages began at least 40,000 generations ago and that activity of transposable elements (TEs) has contributed significantly to the divergence of both lineages, possibly linked to the very unusual genomic distribution of TEs in this species. Furthermore, we show that introgression from the Old World lineage is a dominant source of genetic diversity in the New World lineage, despite the lineages' strong genetic differentiation. Our study uncovers mechanisms underlying novel genetic variation in introduced populations of C. obscurior that could contribute to the species' adaptive potential.

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Section: Discussionmentioning

confidence: 99%

Transposable elements and introgression introduce genetic variation in the invasive ant Cardiocondyla obscurior

et al. 2021

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“…In this section we extend Catão and Solomou's (2005) analysis to the first seven decades of the nineteenth century to confirm how well Hume's pricespecie flow applied in that earlier period. In so doing we draw on large new data sets of bilateral trade (Fouquin and Hugot 2016;Dedinger and Girard 2017), exchange rates (Denzel 2010) and prices (de Zwart 2015). The data covers a maximum of 54 countries and territories.…”

Section: The Specie-flow Mechanism and Internationalmentioning

confidence: 99%

Monetary Systems and the Global Balance of Payments Adjustment in the Pre-Gold Standard Period, 1700–1870

Esteves¹,

Noguès-Marco²

2021

The Cambridge Economic History of the Modern World

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“…(2) Second, the quality of goods must be the same in export and import markets. Since for Gold Coast, Nigeria, and Sierra Leone, Britain was the main destination market accounting for two-thirds of their overall exports (estimation from the RiCardo Project, Dedinger and Girard, 2017) oil and cocoa imports came from West Africa, then the qualities of goods in the two markets were comparable 2 .…”

Section: Datamentioning

confidence: 99%

The Integration of West Africa in the Global Economy, 1842-1938

2020

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Despite the essential role that international trade has historically played for resource-rich African economies, growth possibilities have been hindered by considerable trade barriers. Yet, in the large literature on commodity market integration, Africa is a blank spot and little is known about the origins of high trade costs in the African export markets. In this article, we contribute to fill this gap by analyzing West African trade costs from the mid-nineteenth century to the eve of World War II. We construct estimates of international trade costs by applying a flexible threshold model to a representative sample of West African export prices and European import prices. Our results show that trade costs for West Africa experienced a substantial reduction from the 1840s to 1880, similar to the one we observe in other areas of the world. After the 1880s, however, they declined in the rest of the world, but not in West Africa. Consequently, since the late nineteenthcentury, trade for West Africa became relatively more expensive than for other world regions and Africa became relatively less integrated into the global economy. Our findings shed new light on the debate about the origins of African underdevelopment by emphasizing the role of increased trade costs and limited access to global markets.

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Exploring trade globalization in the long run: The RICardo project

Cited by 33 publications

References 22 publications

Transposable elements and introgression introduce genetic variation in the invasive ant Cardiocondyla obscurior

Transposable elements and introgression introduce genetic variation in the invasive ant Cardiocondyla obscurior

Monetary Systems and the Global Balance of Payments Adjustment in the Pre-Gold Standard Period, 1700–1870

The Integration of West Africa in the Global Economy, 1842-1938

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