Sharlene has studied art in Canada and abroad-- in Paris, Florence and Chautauqua, N.Y. She was a Docent on the National Gallery of Canada inside 80?s. She had solo and group exhibitions in Saudi Arabia, Canada and Germany. The National Museum for Women within the Arts in Washington D.C. recognized her artistic accomplishments in 1993 and opened a file on her behalf are employed in their Archives. Her craft are available in private and corporate collections in over 35 countries. UNICEF, Geneva, selected her painting ?Sunflowers? in 1997 and used that image in cards to improve funds in Europe and Asia. Her art can be looked at at her gallery website. In the face of market failure, coase has given the opposite answer: external-utility problems can be solved by explicitly using the market, without government intervention. And zhang wuchang is more absolute, he said that there is no so-called external utility, there is only unclear property rights. Anyway, coase brought revolutionary innovation to market concepts. He made it clear that the key to the market was not the "price mechanism" of impersonal machinery, but the power of participants in economic activity (property rights)