Using Mixed Logit in Land Use Models: Can Expectation-Maximization (EM) Algorithms Facilitate Estimation

Amer. J. Agr. Econ. 95(2): 419–425; doi: 10.1093/ajae/aas111. Published online December 11, 2012

7 Pages Posted: 24 Feb 2016

See all articles by Roger Claassen

Roger Claassen

U.S. Department of Agriculture (USDA) - Economic Research Service (ERS)

Daniel Hellerstein

U.S. Department of Agriculture (USDA) - Economic Research Service (ERS), Resource and Rural Economics Division

Seyunk Kim

Kyungpook National University

Date Written: January 22, 2013

Abstract

The loss of native grassland habitat in the Northern Plains of the United States is prompting concern about the effect of farm programs on rangeland-to-cropland conversion. In theory, a mixed logit model can capture any pattern of response to economic or policy change. In reality, mixed logit likelihood functions can be time-consuming and difficult to maximize using conventional methods, even when only a small number of parameters are random. Expectation-Maximization (EM) algorithms dramatically reduce solution time while allowing a relatively large number of random parameters. Although our analysis is exploratory, it does indicate that the latent class model is a unique alternative for land use research. Results differ considerably from conditional logit, where the largest cross-marginal effect of crop revenue is on rangeland probability. We see little advantage in a random parameters (mixed logit) model specified using parametric distributions. Our results – that classes form around different types of land based on the propensity to change (or not change) – are intuitively plausible and may offer greater insight on land use and land use change than can be gleaned from models built around parametric distributions.

Keywords: mixed logit, latent class, grassland conversion, expectation maximization

JEL Classification: Q24, Q28, C25, C63

Suggested Citation

Claassen, Roger and Hellerstein, Daniel and Kim, Seyunk, Using Mixed Logit in Land Use Models: Can Expectation-Maximization (EM) Algorithms Facilitate Estimation (January 22, 2013). Amer. J. Agr. Econ. 95(2): 419–425; doi: 10.1093/ajae/aas111. Published online December 11, 2012. Available at SSRN: https://ssrn.com/abstract=2736610

Roger Claassen (Contact Author)

U.S. Department of Agriculture (USDA) - Economic Research Service (ERS) ( email )

355 E Street, SW
Washington, DC 20024-3221
United States
202-694-5473 (Phone)

Daniel Hellerstein

U.S. Department of Agriculture (USDA) - Economic Research Service (ERS), Resource and Rural Economics Division ( email )

355 E Street, SW
Washington, DC 20024-3221
United States
202-694-5613 (Phone)
202-694-5756 (Fax)

Seyunk Kim

Kyungpook National University ( email )

Korea, Republic of (South Korea)

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