Good economic
forecasts are of the significant value to investors. Since the economy and the
market are closely related,good forecast of the macroeconomic variables would
be very useful. How good are such forecasts, which are widely available?
According to McNees,
macroeconomic forecasts have been more accurate in recent years than in 1960s.
However, this tendency toward improvement not continue, and in any case, there
is much room for improvement . Although the well known forecasts tend to
outperform statistical rules of thumb for macro variables, the margin of
superiority is small.
McNees concludes that
the forecasts of the prominent forecasts are very similar and that differences
in accuracy are very small, suggesting that investors can use any of a number
of such forecasts. Obviously not all forecasters are equally accurate. The only
good news is that forecast accuracy has increased.As an illustration of the
difficulty in forecasting economic activity, consider monetary activity.
Because of its vital role in the economy, monetary policy was traditionally
assumed to have an important effect on the economy, stock prices, and interest
rate.
Recent research by
Friedman and Kuttner challenges the usefulness of money as an economic
indicator. They find that money lost the ability to forecast economic activity
after 1970s. It is reasonable to argue that deregulation of the financial
economy, along with financial innovation, created considerable havoc on the
relationship between measures of money and the economy (as well as interest
rate).Based on evidence, one would conclude that money is not useful tool for
policy makers to use when making decisions about future economic activity.
Regardless of whether
money's role in forecasting has been impaired, most investors should keep an
eye on the actions of the Federal Reserve because of its role in monetary
policy and its impact on interest rates.
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