In psychological consumption of prediction view point, learning how to predict changes in consumers' attitudes and behaviors which is important to any companies. For example, in part behavior has changes as a result a recent major disruptive events, such as recession and exchange rate changes etc. economic factor, but there are other non economic factors to change consumers' attitudes and behaviors. For example, consumers are becoming smarter in their use of the internet to research products based on previous customers' view, seek out the best, deals and offers and then buy online, with a corresponding increase in the number of price comparison sites. So, companies are percentage seeing the rise of the strategic consumer who observes the dynamic of supplier pricing and adapts their buying strategy in response. However, some observers suggest that these changes to consumers' attitudes and behaviors are fundamental long, lasting and likely to continue to be disruptive. Some consumption psychologists feel sales have become less predictable. In general, sales forecasts based on historical patterns in time series have become less accurate and hence less useful in the past year in many industries, not just these traditionally served by revenue management. Does forecast accuracy easily? For some revenue managers may be not too much, in some businesses prices are set by reference to the main competitors and forecasts have limited impact on operating and decisions about capacity. Marketing forecasting is aim to setting prices, maximizing revenue and managing operations.However, forecast accuracy is very important to find why changing consumer attitudes and the implications for customer segmentation and forecasting of buying behaviors are not just relevant to revenue management. They are also fundamental to sales, marketing, brand management, customer loyalty, product design and beyond. Perhaps it has an opportunity for revenue managers to take a lead in influencing thinking of their colleagues in these areas. Some consumption psychologists forecast the future, who concern the historical data of companies collection before the recession, it can no longer be applied to forecast consumer behavior during the recession or after. At the opposite extreme, companies can simply continue to between auto prediction system to predict when the market stability will return soon and how to influence consumer behavior.