Articles
"President Trump and Migration after Three Years" by Philip Martin
Feb. 18, 2020
Candidate Trump made reducing unauthorized migration a central theme of his campaign for the presidency. President Trump issued executive orders that instructed the Department of Homeland Security to build a …
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"Prices of Cannabis in California from Licensed and Unlicensed Retailers" by Robin S. Goldstein, Raffaele Saposhnik, and Daniel A. Sumner
Feb. 18, 2020
Little public information or analysis is available about licensed or unlicensed cannabis prices. Here, we report on about 232,000 online cannabis prices from about 2,600 cannabis retailers across California, classified …
"Identifying Nonpoint Source Polluters in National Scale River Networks” by Peiley Lau, Julia Longmate, and Solomon Hsiang
Oct. 15, 2019
Existing policies regulating nonpoint source water pollution in California and beyond are difficult to enforce due to ineffective monitoring and gaps in available data. We propose a method that generates …
"Does Trade in Primary Commodities Matter?” by Thibault Fally and James E. Sayre
Oct. 15, 2019
Geopolitical instability and a burgeoning demand for critical resources have made understanding the role of international trade in primary commodities ever more important. While the share of primary commodities (mineral, …
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"New Marketing Opportunities for Local Food Producers” by Kristin Kiesel and Ashley Spalding
Oct. 15, 2019
The burgeoning local food movement has the potential to connect consumers with how, where, and by whom their food is produced. Yet small farmers and food businesses struggle to sell …
"Livestock Guardian Dogs: Do the Benefits Outweigh the Costs for Sheep Producers?" by Ellen M. Bruno and Tina L. Saitone
Aug. 15, 2019
We evaluate the economic viability of livestock guardian dogs (LGDs) as a tool to reduce predation of sheep by coyotes. Cost-effectiveness hinges largely on the ability of the dogs to …
"California Farmers Change Production Practices As the Farm Labor Supply Declines" by Zachariah Rutledge and J. Edward Taylor
Aug. 15, 2019
A recent survey by UC Davis and the California Farm Bureau Federation discovered that California farmers are finding it increasingly difficult to recruit workers. As a result, they are continuing …
"Energy Prices, the Financial Crisis, and Their Implications for Land Policies in California" by Junjie Wu, Steven Sexton, Joel Ferguson, and David Zilberman
Aug. 15, 2019
The more than doubling of fuel prices between 2001 and 2006, combined with lax lending practices, triggered the collapse of the housing market that ultimately led to the Great Recession …
"The Story Behind Avocados’ Rise to Prominence in the United States" by Hoy F. Carman
June 18, 2019
Rapid growth of U.S. demand for fresh avocados has increased the fruit’s prominence in retail sales and consumer diets. This growth is largely due to California producer and importer-funded research …
"Maintaining the Long-Term Viability of the Humpback Chub in the Grand Canyon" by Pierce Donovan and Michael R. Springborn
June 18, 2019
The humpback chub is a native fish of the Colorado River that is vulnerable to extinction. Rainbow trout, initially introduced near the Glen Canyon Dam to serve recreational anglers, now …
