My research investigates the impact of economic change in the lives of marginalized populations in underdeveloped countries. How does integration into the market economy transform the living conditions, consumption patterns, ethnic identities, and health status of those living in the margins of the global economy? As livelihoods depend less on subsistence agriculture and more on industry and services, how is paid and unpaid labor divided within the household and at the workplace? Does the social division of labor contribute to building solidarity among workers, or does it reinforce deep-seated ethnic inequalities? My dissertation research examines the division of labor in Guatemala City's booming construction industry. Based on the experiences of day-workers navigating the construction labor market, I hope to describe the working conditions associated with changing forms of employment in the global south.