ユリ・サニコフ
A Continuous-Time Version of the Principal-Agent Problem. The Review of Economic Studies 75(3), July 2008, 957-984, JSTOR 20185061.
Games with Imperfectly Observable Actions in Continuous Time. Econometrica 75(5), September 2007, 1285-1329, doi:10.1111/j.1468-0262.2007.00795.x.