A recent nationwide survey estimated that approximately 20 million households in the United States use wood as a source of heating fuel and that about 30 percent of those use wood as their primary source of space heat.' In two studies of total wood energy consumption, the U.S. Department of...

Political parties can enhance their clout in Congress by adding to the seats under their control, or by increasing party loyalty. Interestingly, the latter option seems to play a very small role in the two elections studied. The Democratic Party altered their funding decisions based on loyalty...

Consider a group of agents embedded in a network, repeatedly playing a game with their neighbors. Each agent acts locally but through the links of the network local decisions percolate to the entire population. Past research shows that such a system converges either to an absorbing state (a...