The pattern in consumer attitudes and spending is often the foremost influence on stock and bond markets.

For stocks, strong economic growth translates to healthy corporate profits and higher stock prices. For bonds, the focus is whether economic growth goes overboard and leads to inflation. Ideally, the economy walks that fine line between strong growth and excessive (inflationary) growth.

The idea is that if the consumers are optimistic, they will tend to purchase more goods and services. This increase in spending will inevitably stimulate the whole economy.

In the US, the Reuters / University of Michigan Consumer Sentiment Index (MCSI) uses telephone surveys to gather information on consumer expectations regarding the overall economy and releases data monthly. The index is normalized to have a value of 100 in December 1964.

The University of Michigan’s Consumer Survey Center questions 500 households each month on their financial conditions and attitudes about the economy. Consumer sentiment is directly related to the strength of consumer spending. Consumer confidence and consumer sentiment are two ways of talking about consumer attitudes. Among economic reports, consumer sentiment refers to the Michigan survey while consumer confidence refers to The Conference Board’s survey.

Consumer spending drives two-thirds of the economy and if the consumer is not confident, the consumer will not be willing to pull out the big bucks. Confidence impacts consumer spending which affects economic growth.

Since consumer spending accounts for such a large portion of the economy, the markets are always eager to know what consumers are up to and how they might behave in the near future. The more confident consumers are about the economy and their own personal finances, the more likely they are to spend. It’s easy to see how this index of consumer attitudes gives insight to the direction of the economy. Note though that changes in consumer sentiment and retail sales don’t move in tandem month by month.

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