THE CONCEPT OF DOLLAR-COST-AVERAGING REQUIRES THE INVESTMENT OF EQUAL AMOUNTS OF MONEY AT PERIODIC TIMES, OVER A LONG TIME PERIOD. PURCHASES ARE MADE WHILE PRICES DECLINE AS WELL AS WHEN THEY RISE. THE THEORY IS THAT MORE SHARES WILL BE PURCHASED AT THE LOW PRICE THAN AT THE HIGH PRICE, GIVEN AN EQUAL AMOUNT OF MONEY. THEN, THE OVERALL AVERAGE OF ALL SHARES WILL BE LOW ENOUGH TO MAKE A PROFIT. THIS TECHNIQUE WHICH DID PAY OFF FOR MANY YEARS HAS BECOME LESS EFFECTIVE SINCE 1950. THIS WAS BECAUSE OF THE ALMOST STEADY INCREASE IN STOCK PRICES FROM 1946 TO 1966. ONE OF THE MAJOR PROBLEMS WAS THE BELIEF THAT MORE SHARES WOULD BE PURCHASED AT LOW PRICES. EXPERIENCE OVER THE PAST DECADE SHOWS THAT PURCHASES COULD BE MADE AT HIGH PRICES MORE OFTEN, NEGATING THE EFFECT OF PURCHASES MADE AT LOW PRICES.
Full text: Barron's National Business and Financial Weekly, OCT. 20, 1975
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