How Ambiguity Aversion Affects Investment Choices Policies to reduce investors’ ambiguity about asset returns can stimulate equity market participation, according to new research. Read on Knowledge at Wharton More Stories UndergraduateFull Time MBAMBA for ExecutivesDoctoralExecutive EducationWharton OnlineWharton AcademyGlobal Youth ProgramWharton AlumniKnowledge at Wharton Wharton Degree and Non-Degree Options Wharton educates and empowers the best minds in the business. » All Programs Undergraduate Business and liberal arts within an Ivy League education. MBA Analytic thinking combined with active, reflective leadership. MBA for Executives Earn the same Wharton MBA as a member of one of three dynamic cohorts. Doctoral Building the next generation of business knowledge. Executive Education Individual and corporate programs to advance careers and organizations. Wharton Online World-class business education accessible to the world. Wharton Academy Wharton Academy empowers students aged 18-25 with essential business skills through immersive in-person experiences. Global Youth Program Programs for pre-collegiate students to explore complex business challenges. By the Numbers 0+Faculty0Undergraduate and Graduate Students0+Executives in Programs0+Research Centers0Alumni Clubs Around the World0KAlumni About Wharton Our strategic plan guiding us towards greater influence, innovation, and engagement.Learn More Our strategic plan guiding us towards greater influence, innovation, and engagement.Learn More Mom, the Brands Are Fighting AgainProf. Pinar Yildirim in The Wall Street Journal This Media Bias Detector Analyzes News Reports in Real TimeProf. Duncan Watts for Knowledge at Wharton Wharton Field Challenge: Empowering Financial Futures Are Corporate Human Rights Practices Up to Par?ESG’s Zicklin Bright Index evaluated 150 corporations and their human rights practices in 2023. How a Wharton MBA Cluster Is Built Wharton MBA student is out of this worldJameel Janjua discusses his interest in spaceflight, the fastest aircraft he has flown, the effect of supersonic speed on the body, attending Wharton, and his first time in space.