Multiplier Effect

According to Wikipedia, the multiplier effect is when an initial amount of money is spent, which leads to consumer spending, which then leads to an income of a greater amount than the inital amount of money spent.

I agree with this theory because it makes sense that when an organization spends a certain amount of money on something, many people then buy it or participate in it, which usually leads to producing more money than was initially spent. However, I can disagree on the notion that the amount of consumers interested in the product of the initial spending, which would lead to a less amount of consumer spending than the initial amount spent. Consumer interest is more likely to determine the income leftover after both parties have spent their money.