This paper analyzes changes in U.S. agricultural technology during 1960-1999, emphasizing the role of immigrant workers on farm mechanization. The rates and directions of biased technological change based on the induced innovation theory are compared before and after the passage of the...

We have proposed and estimated a Heckman-type two stage model with legal status of farm workers using an ordered probit model in the first stage and a duration model in the second stage. Using the National Agricultural Workers Survey, self-reported legal status categories are: unauthorized,...

A multi-output cost function approach to induced innovation is adopted to analyze the impact of socioeconomic variables and institutional factors on technological change in agriculture. Focusing on the impact of immigration policy and farm mechanization, the study includes variables such as H-2A...

The paper discusses the appropriate functional form and estimation technique for a wildlife production function on the farm level. A random effect model was developed to capture the relationship between wildlife output, management practices, natural conditions and non-observed factors that cause...

Technical change at the farm level or changes ininput prices often entail that the firm's supply functionchanges. These changes can take place in numerous ways. Thispaper presents a methodology that increases the consistency insupply responses across various sets of agricultural productsand farm...