Bulletin – March 2016 Equation

NH P c,t = Longposition s c,t Shortposition s c,t Longposition s c,t +Shortposition s c,t MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOtaiaadI eacaWGqbWaaSbaaSqaaiaadogacaGGSaGaamiDaaqabaGccqGH9aqp daWcaaqaaiaadYeacaWGVbGaamOBaiaadEgacaaMc8UaamiCaiaad+ gacaWGZbGaamyAaiaadshacaWGPbGaam4Baiaad6gacaWGZbWaaSba aSqaaiaadogacaGGSaGaamiDaaqabaGccqGHsislcaWGtbGaamiAai aad+gacaWGYbGaamiDaiaaykW7caWGWbGaam4BaiaadohacaWGPbGa amiDaiaadMgacaWGVbGaamOBaiaadohadaWgaaWcbaGaam4yaiaacY cacaWG0baabeaaaOqaaiaadYeacaWGVbGaamOBaiaadEgacaaMc8Ua amiCaiaad+gacaWGZbGaamyAaiaadshacaWGPbGaam4Baiaad6gaca WGZbWaaSbaaSqaaiaadogacaGGSaGaamiDaaqabaGccqGHRaWkcaWG tbGaamiAaiaad+gacaWGYbGaamiDaiaaykW7caWGWbGaam4Baiaado hacaWGPbGaamiDaiaadMgacaWGVbGaamOBaiaadohadaWgaaWcbaGa am4yaiaacYcacaWG0baabeaaaaaaaa@8243@