国际农产品贸易对于维护全球粮食安全起着关键的作用。 一方面， 国际贸易使全球的消费者得以获取多样性的食物（Krivonos 和 Kuhn， 2019）， 另一方面， 贸易也可以通过食品分配机制， 充分利...

The overall goal of this paper is to analyse the political economy of food price policies in China during the global food crisis. The results show that given China's unique economic and political context and the nature of its agricultural markets, the government's reaction to the crisis was...

The 2007-09 price shocks affected in particular the prices of food commodities and fuel. As a consequence, Mozambique experienced reduced exports, more expensive imports and increased food and oil prices, contributing to the stagnant poverty rates registered in 2008/9. Our analysis finds, first,...

Food prices increased significantly in 2007 - 08 in Ethiopia due to several supply- and demand-side factors. The Ethiopian government released emergency food grain reserves, imported and distributed wheat at subsidized price, banned the export of staple cereals, and removed value added and...

Since 2006, global prices and price volatility for foodgrain commodities have spiked frequently and dramatically. Such spikes have had the heaviest economic and social impact on developing nations, where agriculture accounts for a sizable portion of economic activity. We demonstrate how US...

Background: The trend in the BMI values of US children has not been estimated very convincingly because of the absence of longitudinal data. Our object is to estimate time series of BMI values by birth cohorts instead of measurement years. Methods: We use five regression models to estimate the...

In this paper we explore a serious eating disorder, bulimia nervosa (BN), which afflicts a surprising number of girls in the US. We challenge the long-held belief that BN primarily affects high income White teenagers, using a unique data set on adolescent females evaluated regarding their...

Using longitudinal data that tracks bulimic behavior among young girls (National Heart, Lung, and Blood Institute Growth and Health Study), we examine (1) whether bulimic behavior is onsistent with addiction criteria as stated in the Diagnostic and Statistical Manual of Mental Disorders DSM-IV...

In this paper we develop a theory of “Kosher Wars” under which Rabbis (certifying authorities) compete to enhance the level of Jewish observation of their congregations. The level of observance can be seen as the Rabbi’s rents. Our rent-seeking model explains the establishment...

Policymakers have an interest in identifying the differences in behavior patterns - namely, habitual caloric intake and physical activity levels - that contribute to demographic variation in body mass index (BMI) and obesity risk. While disparities in mean BMI and obesity rates between whites...