Lump-sum rebates can protect price-discriminators against reselling. Large customers, however, can bargain for a larger rebate. This paper shows how sellers can make a credible commitment to not bargain: a price discriminating formula is published as a Most-Favoured-Customer (MFC) contract: if...

The Swiss Wirtschaftsring ("Economic Circle") credit network, founded in 1934, provides residual spending power that is highly counter-cyclical. Individuals are cash-short in a recession, and economize by greater use of WIR-credits. A money in the production function (MIPF) specification implies...