and this is a problem when estimating log-linear gravity equations. This has caused many researchers to either ignore the zero trade flows or to replace the zero with a small positive number. Both of these actions bias the resulting parameter estimates of the gravity equation. In this study we...

This paper examins the question of revisiting the imposition of existing trade barriers in one case of an evolving marketplace – when a traditional food product is altered to provide, or discovered to have, human health benefits that increases their value to consumers. In other words, the food...

In a meta-analysis of trade policy models, Hess and von Cramon-Taubadel (2008) use over 5800 simulated welfare effects from 110 studies of potential Doha Development Agenda outcomes to identify characteristics of models, data and policy experiments that influence simulation results. This...

International trade in wheat accounts for approximately one third of world grain trade and is expected to double by 2050.The KRU (Kazakhstan, Russia and Ukraine) countries account for approximately a quarter of world wheat exports and are collectively considered one of the key wheat exporting...

High food prices in 2008 and 2010 generated concern about food security in developing countries. The number of food insecure people was estimated to have jumped significantly and food assistance donors were faced with unexpectedly high procurement bills. This paper discusses how high food prices...

A number of major agricultural exporting countries responded to high food prices from 2007 to 2010 by imposing export restrictions on agricultural commodities in efforts to constrain domestic food-price inflation. These restrictions reduced the volume of internationally traded food, and...