Laffer curve is simplistic in that it assumes a single tax rate and a single labor supply. Actual systems of public finance are more complex, and there is serious doubt about the relevance of considering a single marginal tax rate. In addition, revenue may well be a multivalued function of tax rate; for instance, an increase in tax rate to a certain percentage may not result in the same revenue as a decrease in tax rate to the same percentage (a kind of hysteresis). Furthermore, the Laffer curve does not take explicitly into account the nature of the tax avoidance taking place.
Larry Laffer when Lowe sent a letter asking his permission for the publication of a program under the title "Laffer Utilities", a Larry spin-off which could potentially confuse the public due to the ambiguous title. Laffer asked his secretary if she knew about the games and she told him that she had played them for years, but never made a connection. Laffer gave the permission and also paid a visit to the Sierra studios. One of Larry's trademarks is his manner of introducing himself: "Hi, my name is Larry; Larry Laffer", a reference to James Bond's introduction style, "My name is Bond;