Shaik, Saleem; Helmers, Glenn A. - Agricultural and Applied Economics Association - AAEA - 2000
The importance of climate (temperature and precipitation) variability on Nebraska dryland winter wheat yield trend is examined. The use of short term (1956-1999) climatic divisional panel data (interspatial) and long term (1909-1999) state time series data (intertemporal) is to address the...