In many Internet commerce applications buyers can easily achieve anonymity, limiting what a seller can learn about any buyer individually. However, because sellers need to keep a fixed web address, buyers can probe them repeatedly or pool their information about sellers with the information...

This paper has two main contributions. Firstly, we introduce a new approach, the latent instrumental variables (LIV) method, to estimate regression coefficients consistently in a simple linear regression model where regressor-error correlations (endogeneity) are likely to be present. The LIV...

Where large-scale investments are needed, especially for infrastructure projects, public-private partnerships (PPPs) have been touted as an option. With encouragement by the international financial institutions, PPPs have been promoted in developing countries, especially those facing large...