Green woods sells specialty equipment for mountain climbers. its sales for last year included $238,000 of tents and $411,000 of climbing gear. for next year, management has decided to sell specialty sleeping bags also. as a result of this change, sales projections for next year are $264,000 of tents, $426,000 of climbing gear, and $51,000 of sleeping bags. how much of next year's sales are derived from the side effects of adding the new product to its sales offerings?

The business cycle is the periodic but irregular up-and-down movement in economic activity, measured by fluctuations in real gross domestic product (gdp) and other macroeconomic variables. a business cycle is typically characterized by four phases—recession, recovery, growth, and decline—that repeat themselves over time. economists note, however, that complete business cycles vary in length. the duration of business cycles can be anywhere from about two to twelve years, with most cycles averaging six years in length. some business analysts use the business cycle model and terminology to study and explain fluctuations in business inventory and other individual elements of corporate operations. but the term "business cycle" is still primarily associated with larger (industry-wide, regional, national, or even international) business trends.

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