The Stern Review on The Economics of Climate Change is one of the few cost-benefit analyses of climate change to come out in favour of immediate and decisive action to reduce greenhouse gas emissions. The choice of a low discount rate is the main reason for the Review’s divergence in...

We argue that the trend toward international investment agreements (IIAs) with stricter investment rules is driven by competitive diffusion, namely defensive moves of developing countries concerned about foreign direct investment (FDI) diversion in favor of competing host countries. Accounting...

Aid flows continue to be volatile and unpredictable, even though it is widely accepted that this erodes the effectiveness of foreign aid. We argue that fragmented donor-recipient relationships, notably the large number of minor aid relations that tend to be associated with donors’ desire to...

We account for the competition for export markets among the donor countries of foreign aid by analyzing spatial dependence in aid allocation. We employ sector-specific aid data, distinguishing between first and second stage decisions on the selection of recipient countries and the amount of aid...

We analyze the spread of policies dealing with international trafficking in human beings. Arguing that countries are unlikely to make independent choices, we identify pressure, externalities and learning or emulation as plausible diffusion mechanisms for spatial dependence in anti-trafficking...

Some Neo-Malthusians and anti-immigration groups in the United States have recently argued that migration of people to developed countries is damaging to sustainable development and environmental protection. This paper argues that it is inappropriate and ethically indefensible to employ...

This paper makes two empirical contributions to the literature, based on predictions generated by a lobby group model. First, we investigate how environmental lobby groups affect the determination of environmental policy in rich and developing countries. Second, we explore the interaction...