anomaliesanomalyassetbehindbenchmarksbetacapitalcrossdecisionsdeclinedisagreementdrivendurationeffectequityetfsexpectedfactorfinancialfundfundsheterogeneoushorizonsimpactindexinformationinstitutionalinsuranceinvestorslearningleveragelongmachinemarketmarketsmodelsmomentummutualnewsoptionsoverspecifiedperformanceportfoliopredictabilitypremiumpricepricespricingpuzzlereturnreturnsrisksamplescenesstockstreettradingvaluevolatilitywhales