Such a move could reduce the sales of individual models to the point that their American plants might no longer have the production volume to justify the capital expense.

Improved sales of new models are cited as improving the company's cash flow and allowing for the early payments.

Analysts said that strong sales of new models would allow a steady improvement in Nissan's earnings within Japan.

Several low-rate financing programs have helped sales of several models among her companies' nine franchises.

Several redesigned minivans have injected life into the market, and heavy incentives are lifting sales of older models.

The agreement does halt retail sales of three-wheel models but the issue is academic.

But the one segment of the market that has held steady all year is sales of used models of the largest business jets.

Glock, an Austrian manufacturer, was also here, hoping to increase sales of models equipped with its popular "New York trigger."

The highly visible and popular customer rebates were introduced in the mid-1980's to stimulate sales of slow-selling models and reduce large inventories.

FOR several years now, American automobile manufacturers have been using sales incentive and rebate programs to increase the sales of selected models.