A NOTE ON LOSSES FROM PRICE STABILIZATION

A Note on Periodic Output Feedback Stabilization

A Note on Third-degree Price Discrimination

VARIAN [1985] AND SCHWARTZ [1990] PROVED THAT, very generally, monopolistic third-degree price discrimination decreases aggregate welfare if total output falls (a conjecture which dates back to the work of A. C. Pigou, [1920]). In particular, these authors adopted a representative consumer approach (by assuming quasi-linear preferences) and used revealed-preference arguments. En passant, their ...

A note on stabilization with saturating feedback

We assume, for a distributed parameter control system, that a linear stabilizing feedback is available. We then seek a stabilizing feedback, necessarily nonlinear, subject to an a priori bound on the control.

A Note on the Modeling of Transmission-Line Losses

We consider uniform lossy transmission lines characterized by their primary parameters. Exact and approximate formulas for the characteristic impedance and propagation coefficient are reviewed and discussed for low-loss lines. Approximating the characteristic impedance by its real part can lead to erroneous results for the input impedance of shortand open-circuited stubs. This problem is analyt...

A Note on the Effect of Price Discrimination on Entry

Does banning price discrimination promote entry? The answer to this question has important public policy ramifications. Banning price discrimination would be beneficial to consumers if doing so always promoted competition. It seems that an incumbent who is serving multiple markets is likely to respond more aggressively to entry in any given market if price discrimination is allowed than if it i...