Letterie, W.

policy model policy maker voter project minister advisor maker ® nance minister information party spending minister research sta ¨ message nance spending equilibrium player research model 1 decision preference consequence equation assumption model 2 economy utility fi nance minister belief expert policy makers strategy period predisposition uncertainty innovation adviser probability party – model uncertainty proposal advice paper value stage message g parliament result letterie bf ˆ f increase incentive …1† fi nancial consequences research sta ¨s election section x 1 …1† …0† bene ®ts action status economy works problem parameter equilibria outcome order message b bs ˆ bs communication undertaking €erent appendix reason x 1 …0† period 1 policy advice party r