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Essays on Socioeconomic Shocks and Policies in Agriculture
The three chapters of this doctoral dissertation estimate the responses of agricultural productivity, production value of agriculture, and crop supply to some external shocks and policies. Using unique panel datasets for Colombia and the United States, this research provides new insights regarding the responsiveness of agriculture to some socioeconomic effects and related market policies. Chapter 1 studies the effect of armed conflicts in rural areas on agricultural productivity in Colombia by using a production function that includes violence shocks such as the forced intra-national displacement of the rural population from 1995 to 2017. Although the relevance of the agricultural sector to the Colombian economy, the annual growth rate of the value of agricultural production has fluctuated significantly over the last two decades with a relatively low growth rate. Therefore, it is of imperative interest to understand how violence and the internal displacement of persons have affected the use of resources and productivity in Colombian agriculture. Chapter 2 investigates the effect of anti-drug strategies implemented under a joint US-Colombia policy (Plan Colombia) on the value of agricultural production of Colombian regions with coca crops. This chapter uses a difference-in-difference approach to evaluate the impact of the anti-drug policies on the GDP of agriculture in the coca-growing areas. Chapter 3 examines the effects of a policy in the ethanol market on the supply of biomass from corn production at the extensive and intensive margins. This chapter employs a profit function framework, simultaneous equations panel models, and instrumental variables approach to analyze the land allocation and crop yield responses to the US 2007’s Renewable Fuel Standard (RFS). This policy mandated specified quantities of total biofuels creating exogenous market shocks to corn prices in several counties along the US Great Plains. It is of particular interest to assess the corn supply and cropland allocation responsiveness to the price increase structurally generated by the mandates.
Iglesias Pinedo, Wilman J, "Essays on Socioeconomic Shocks and Policies in Agriculture" (2022). ETD collection for University of Nebraska - Lincoln. AAI29164620.