One third of Chinese exporters sell more than ninety percent of their production abroad. We argue that this distinctive pattern is attributable to a wide range of subsidies that provide incentives to these "pure exporters". We propose a heterogeneous firm model in which firms exporting all their...

Most estimates of the cost of crime focus on victims. Yet it is plausible that an even larger cost of crime occurs via its indirect impact on the mental wellbeing of non-victims. To test how crime affects individuals' mental outcomes, we exploit detailed panel data on mental wellbeing, allowing...

This paper embeds a principal-agent firm in an otherwise standard trade model a la Melitz (2003) to investigate the impact of globalization on the provision of managerial incentives and on the distribution of managerial compensation. Facing contractual frictions due to limited liability, firms...

Firms face competing needs to expand product variety and reduce production costs. Trade policy affects firm investments in product variety and production processes differently. Access to larger markets enables innovation to reduce costs. Although firm scale increases, foreign competition reduces...

This paper provides a comprehensive picture of mental health services in England, including staffing and expenditure, and the number of people in need and the number treated. Historically, this information has been split across sub-sections of the health and social services; and the readily...

We provide a general characterization of which firms will select alternative ways of serving a market. If and only if firms' maximum profits are supermodular in production and marketaccess costs, more efficient firms will select into the activity with lower market-access costs. Our result...

The question of whether there is a lasting effect of childhood experience on mental health has eluded causal measurement. We draw upon identical twin data and econometric instrumentation to provide an unbiased answer. We find that 55% of a one standard deviation change in mental health due to...

Mental illness accounts for a massive share of the total burden of disease. Even when we include the burden of premature death mental illness accounts for 23% of the total burden of disease. Yet, despite the existence of cost-effective treatments, it receives only 13% of NHS health expenditure....

Richard Layard and colleagues reveal the shocking scale of mental illness in Britain - and how little the NHS does about it.