We provide evidence about the mechanisms linking resource-related income shocks to conflict. Combining temporal variation in international drug prices with spatial variation in the suitability to produce opium, we show that higher drug prices reduce conflict over the 2002-2014 period in...

Columbus's arrival in the New World triggered an unprecedented movement of people and crops across the Atlantic Ocean. We study an overlooked part of this Columbian Exchange: the effects of New World crops in Africa. Specifically, we test the hypothesis that the introduction of maize increased...

We examine the investment rule that must be satisfied by an efficient and egalitarian path in a discrete-time version of the Dasgupta-Heal-Solow model of capital accumulation and resource depletion. In the discrete-time model, competitive valuation of net investments in terms of early and late...

While much research on China has focused on rural to urban migration and transitions of rural households away from agriculture, little is known about the changes within the rural agricultural sector. Yet, the agricultural sector continues to account for a large share of employment. We study the...

Much has been written about 19th century African American and white statures and body mass index values. However, little is known about their physical activity and calories required to sustain height and weight. This paper considers two alternative measures for biological conditions that address...

Japan and India signed the much-awaited Comprehensive Economic Partnership Agreement (CEPA) on 16th February 2011. The CEPA will eliminate tariff on goods that account for 94% of their two way trade over ten years and will boost bilateral trade and investment. Indian exports which were subject...

Alternative measures for material conditions are frequently used to evaluate economic welfare during development. The basal metabolic rate and calories are two alternative net nutrition measures that vary by demographics, nativity, residence, and socioeconomic status. During the 19th and early...

Religious adherence has been hard to study in part because it is hard to measure. We develop a new measure of religious adherence, which is granular in both time and space, using anonymized mobile phone transaction records. After validating the measure with traditional data, we show how it can...

When traditional measures for income and wealth are scarce or unreliable, alternative values are effective in measuring nutritional conditions during economic development. This study uses net nutrition and calories to illustrate that during the 19th and early 20th centuries that men required...

This paper uses the endogenous regime switching model with dynamic feedback and interactions developed by Chang et al. (2023) to estimate global food price mean and volatility indicators, the latter measuring uncertainty and risk in the global food market. Both are then included in structural...