what leadership positions did james m buchanan jr hold 
buchanan served as a member of the board of advisors of the independent institute a member and former president of the mont pelerin society and a distinguished senior fellow of the cato institute 5the bottom linejames m buchanan jr pioneered the economic theory of public choice and challenged the notion that politicians act solely on behalf of their constituents and concluded that self interest and incentives are often motivators for civil servants and elected officials 