This paper examines sources of agricultural growth in sub-Saharan Africa. Growth in the stock of traditional inputs (land, labor, livestock) remains the dominant source of output growth. Growth in modern input use was of secondary importance, but still accounted for a 0.2-0.4% annual growth rate...

Latin American countries are important customers in international agricultural trade. However, between 1981 and 1987, U.S. agricultural exports to these countries declined by almost 50%. One explanation for the above decrease is the change in financial conditions facing many countries in this...

We apply seasonal unit root tests to apple and pear price and quantity data. We then develop a method for testing shifts in amplitude andjor phase of the seasonal cycles. The results have implications to econometric specifications of models which use short-run data (quarterly, monthly).