World Bank

About: World Bank is a other organization based out in Washington D.C., District of Columbia, United States. It is known for research contribution in the topics: Population & Poverty. The organization has 7813 authors who have published 21594 publications receiving 1198361 citations. The organization is also known as: World Bank, WB & The World Bank.

The link between international trade and the global distribution of invasive alien species

Abstract: Invasive alien species (IAS) exact large biodiversity and economic costs and are a significant component of human-induced, global environmental change. Previous studies looking at the variation in alien species across regions have been limited geographically or taxonomically or have not considered economics. We used a global invasive species database to regress IAS per-country on a suite of socioeconomic, ecological, and biogeographical variables. We varied the countries included in the regression tree analyses, in order to explore whether certain outliers were biasing the results, and in most of the cases, merchandise imports was the most important explanatory variable. The greater the degree of international trade, the higher the number of IAS. We also found a positive relationship between species richness and the number of invasives, in accord with other investigations at large spatial scales. Island status (overall), country area, latitude, continental position (New World versus Old World) or other measures of human disturbance (e.g., GDP per capita, population density) were not found to be important determinants of a country’s degree of biological invasion, contrary to previous studies. Our findings also provide support to the idea that more resources for combating IAS should be directed at the introduction stage and that novel trade instruments need to be explored to account for this environmental externality.

Does Financial Reform Raise or Reduce Saving

Abstract: The effect of financial liberalization on private saving is theoretically ambiguous, not only because the link between interest rate levels and saving is itself ambiguous, but also because financial liberalization is a multidimensional and phased process, sometimes involving reversals. Using principal components, we construct 25-year time-series indices of financial liberalization for each of eight developing countries: Chile, Ghana, Indonesia, Korea, Malaysia, Mexico, Turkey, and Zimbabwe. These are employed in an econometric analysis of private saving in these countries. Our results cannot offer support for the hypothesis that financial liberalization will increase saving. On the contrary, the indications are that liberalization overall—and in particular those elements that relax liquidity constraints—may be associated with a fall in saving.

Trading on Time

Abstract: The authors determine how time delays affect international trade using newly collected World Bank data on the days it takes to move standard cargo from the factory gate to the ship in 126 countries. They estimate a modified gravity equation, controlling for endogeneity and remoteness. On average, each additional day that a product is delayed prior to being shipped reduces trade by at least 1 percent. Put differently, each day is equivalent to a country distancing itself from its trade partners by 70 kilometers on average. Delays have an even greater impact on developing country exports and exports of time-sensitive goods, such as perishable agricultural products. In particular, a day's delay reduces a country's relative exports of time-sensitive to time-insensitive agricultural goods by 6 percent.

Copulas for Finance A Reading Guide and Some Applications

Abstract: Copulas are a general tool to construct multivariate distributions and to investigate dependence structure between random variables. However, the concept of copula is not popular in Finance. In this paper, we show that copulas can be extensively used to solve many flnancial problems.

How Much War Will we see?: Explaining the Prevalence of Civil War

Abstract: Quantitative studies of civil war have focused on war initiation (onset) or war duration and termination and produced important insights into these processes. An empirical analysis of civil war prevalence is used to show that the prevalence or amount of war observed at any given time is important. Civil war prevalence is defined as the probability of observing either a new war onset or the continuation of an ongoing war or both. Two economic theories of war onset and duration are combined to estimate the prevalence of civil war across more than 150 countries and over 40 years. The analysis is consistent with the findings of earlier studies on war onset and duration. New findings that result from slight improvements in the data and estimation methods show that democracy and ethnic diversity are significant determinants of civil war prevalence.