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We estimate the elasticity of U.S. farm exports to U.S. farm subsidies using a gravity model of state-level farm exports to 100 major trading destinations for the period 1999 to 2011. Our identification strategy exploits the within-state variation that is free of endogeneity bias in the levels and trends of farm subsidies and farm exports. We find that a 1% decrease in farm subsidies would reduce U.S. farm exports by 0.40% per annum. This equivalently means that the complete abolishment of the farm subsidy program would reduce U.S. farm exports by approximately $15.3 billion per year. Importantly, we document robust evidence that amber box subsidy programs such as counter-cyclical payments and marketing loan gains have the strongest effect on farm exports, while green box subsidy payments, such as direct payments have negligible effects. Finally, subsidy payments affect exports only in agricultural commodities, not in livestock. Our subsidy elasticity estimates are statistically significant, stable, and economically meaningful, and are vitally needed by U.S. and global policymakers in the face of critical domestic and international developments. [ABSTRACT FROM AUTHOR]

Using state‐level annual variation in natural disasters and economic output in Australia, we estimate the direct effects of floods and bushfires on sectoral gross value added during the period 1978–2014. We find that floods exert an adverse and persistent effect on the outputs of agriculture, mining, construction and financial services sectors. For example, our estimates indicate that a state that experienced a flood in a given year encountered, on average, 5–6 per cent lower agricultural output in both that year and the following year, compared to another state with no such flood experience. Sectoral responses to bushfires are more nuanced. [ABSTRACT FROM AUTHOR]

This paper investigates the channels through which the middle class may matter for consumption growth. Using several different middle-class measures and a panel of 105 developing countries spanning the period 1985-2013, we find that a larger middle class influences consumption growth primarily through higher levels of human capital accumulation. There is also a significant direct effect of middle-class size on consumption growth, which is more pronounced in the latter half of the sample, the 2000-2013 period. [ABSTRACT FROM AUTHOR]

Do earthquakes trigger political transitions? Using a rich panel dataset of 160 countries observed over 1950-2007, we find that earthquake shocks, measured in terms of the effect of ground-motion amplitude on death toll, have two contradicting effects on political change. On the one hand, earthquakes drive transitions into democracy due to an affective shock, which we interpret to be the reaction of citizens by which they hold the incumbent government responsible for earthquake damages. On the other hand, earthquakes indirectly hasten transitions into a less democratic regime because they increase the income level contemporaneously, possibly due to short-term emergency response and recovery expenditures, and thus, raising the opportunity cost of contesting the incumbent government. Overall, we show that, while not leading to a full-fledged regime transition, earthquake shocks open a new democratic window of opportunity, but this window is narrowed by improved economic conditions. [ABSTRACT FROM AUTHOR]

Using product-level trade data, we empirically investigate the export patterns of more than 150 countries in their exports to the USA, Brazil, India, and Japan. We document strong evidence that exporters specialize according to their relative factor endowments, technology, and economic size. More developed, capital abundant countries are found to export products of higher unit values and a wider range of products to developed, emerging and developing markets. More developed, economically larger, and technologically advanced countries are also the major exporters of new products, spanning a wide range of product categories with high unit values. Our findings provide important insights into the macro phenomenon that a large proportion of the global trade takes place among developed economies, and that the latter are also major exporters to developing markets. [ABSTRACT FROM AUTHOR]

Using the Vietnamese Household Living Standards Surveys of 2002, 2004, 2006, and 2008, this paper investigates the role of rice in poverty dynamics in the recent context of Vietnam. We find that sizeable changes in rice prices in the 2000s, which were driven largely by the country's integration into the world markets, have not helped rural households escape poverty, even for households with large-scale rice production. Our results also document that changes in rice output and productivity did not help mitigate poverty either. The paper provides evidence to explain why a substantial exogenous increase in the rice prices between 2006 and 2008 did not help rural households to move out of poverty, while similar changes did help in the 1990s. [ABSTRACT FROM AUTHOR]