This study develops and tests a model of supply of children's time to disabled elderly parents, using data from the National Long-Term Care Survey. The model, which assumes strategic behavior among relatives, offers predictions about effects of changes in the price of paid personal care,...

Theory predicts intense price competition when firms cluster with rivals. Yet, strong evidence of clustering is found in previous empirical research. Researchers typically measure clustering by comparing observed location patterns to random assignment. The random assignment benchmark does not,...