Most empirical economic models involve reactions which take place over time.

The German model involves half the board of directors being appointed by the company trade union.

These models involve encompassing attributes about a thing, such as a car, in a record structure.

Another model proposed by geophysicists involves more continuously active forces.

A second model involves giving the players the chance to prove themselves.

The colour, make and model of the vehicle involved.

Usually, this model involves the purchase of a minority stake in the company, through which management direction is provided but not dictated.

Although experience is helpful, developing good models using these sample plots can involve much trial and error.

The model involved four key elements or players, with mirrored strategies for their interactions.

Our agricultural model involves high standards in the social and environmental field and quality of food products.