In 1966, the Catholic Church eliminated the centuries-old requirement that members abstain from eating meat on Fridays.Catholics customarily ate fish on Friday.Following this removal, there was a 12.5 percent fall in prices of fresh fish.From this, it can be deduced that the

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The elimination of the requirement to abstain from meat on Fridays reduced the demand for fish, which was previously a substitute for meat on Fridays. The decrease in demand resulted in a shift of the demand curve to the left, causing a fall in prices.

In 1966, the Catholic Church Eliminated the Centuries-Old Requirement That