In many rural regions of developing countries, natural resource dependency means changes in climate patterns hold tremendous potential to impact livelihoods. When environmentally-based livelihood options are constrained, migration can become an important adaptive strategy. Using data from the Mexican Migration Project, we model U.S. emigration from rural communities as related to community, household and climate factors. The results suggest that households subjected to recent drought conditions are far more likely to send a U.S. migrant, but only in communities with strong migration histories. In regions lacking such social networks, rainfall deficits actually reduce migration propensities, perhaps reflecting constraints in the ability to engage in migration as a coping strategy. Policy implications emphasize diversification of rural Mexican livelihoods in the face of contemporary climate change.

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We examine determinants of coauthorship behavior and how coauthorship relates to research productivity and other career outcomes for academic economists. We supplement a unique dataset containing economics Doctor of Philosophy (PhD) graduates' demographic, PhD program, advisor, and other characteristics with measures of their coauthorship behavior and research productivity. Significant gender differences in the formation and effects of coauthorship are found. Students with female advisors and women from lower‐ranked programs had a higher propensity to coauthor, and coauthorship is associated with more research output and more publications in top economics journals. However, women received less credit toward tenure when coauthoring with men or advisors.

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