For there must be changes in relative prices, in employment in sectors, as a result of the introductions of those new technologies.

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High inflation makes it hard for firms and individuals to distinguish changes in the relative prices of particular items from general changes in the average price level, so price signals become blurred.

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Changes in gasoline prices also change the relative prices of the most fuel-efficient cars and the least fuel-efficient cars.

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Preferred shares have historically provided diversification benefits relative to bonds and common stocks, though their prices can be impacted by changes in interest rates and earnings.

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