“A museum show can change the reputation of an artist. A museum show can be very influential for an artist. It changes the price point, the popularity, the awareness a person has for an artist. In general, it enhances value. There is a direct relationship between value and exhibition — museums being the highest level of exhibition prestige for an artist or an artwork. There is a very direct and inevitable link between the market and museum exhibitions”
see full article "A Museum's Seal of Approval can Add to Art's Value" at
New York Times