This report proposes a taxonomy of policy design features for agri-environmental payment schemes, with a focus on those features that are conducive to policy cost-effectiveness. An application of the taxonomy to all agri-environmental payment schemes in six countries (Argentina, Australia,...

For over five decades, diffusion indexes have been widely used by statistical and economic agencies as an instrument to summarize the dynamics of a group of disaggregated time-series economic data. In this note we revise the methods for constructing diffusion indexes, propose a novel generalized...