31.   The model is one of monopolistic competition, in which each firm has a Declining cost curve, although constant Marginal cost.

32.   The model was a little misshapen, the face furred with fluff from her pocket, but it was still intact.

33.   The new model is global in scale, an interdependent network.

34.   The new models are much faster.

35.   The restrictions generated by rational expectations models are very often non-linear and are also imposed across equations rather than in a single equation.

36.   Their measurements are less than those of standard ovens, although built-in models are the same width as built-in conventional ovens.

37.   There are many models of duodenal ulcer - do we need a new one?

38.   They argued over how fast each car could go and what models were better than others.