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Tag Archives: price elasticity

How might California be responding to $5.00 gas?

Let’s start with bread machines.

Behavioral economist Dan Ariely explains that when one of the first sellers of bread machines placed it on the shelf, few people were interested because they could not judge the price. At that point, market researchers suggested selling a much higher priced, larger model nearby. The result? As Ariely said, “Since one was clearly much larger and much more expensive than the other, people didn’t have to make their decision in a vacuum. They could say, ‘Well, I don’t know much about bread makers, but I do know if I were to buy one, I’d rather have the smaller one for less money.’ And that’s when the bread makers flew off the shelves.”

For the price of gas also, relativity matters. Called reference pricing, we judge the price of regular by where it has been. If the price of gas is rising, used to spending less, consumers have a lower reference price, like $3.50, and respond negatively to $3.75. However, when prices descend, the reference price is higher, maybe $4.00 and $3.75 sounds rather good.

Giving his interpretation of relativity, economist James Hamilton believes that most of us ignore rising gas prices until they move beyond their high for the previous 3 years. It appears that, at an average of $4.66 (graph, below), California is there.

Here is where average gas prices have been in California and the US for the past 36 months (from gasbuddy.com):

Average USA and California Gas Prices

 

 

 

 

Sources and Resources: I recommend Predictably Irrational, the source of my Dan Ariely quote (p. 15) and a good read. For more on “framing,” a phenomenon that resembles reference pricing, Daniel Kahneman’s Thinking Fast and Slow is fascinating. And, for the academic perspective on gas and oil James Hamilton’s blog, Econbrowser provides a wealth of information. Finally, econlife tells more about gas prices here.

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Sales of Nature’s Source Scrubbing Bubbles tub have plunged by 61%. At Stop & Shop, “Eco-friendly” people are switching from Clorox Green Works All-Purpose Cleaner to traditional Fantastic. Why? Because Fantastic is 40 cents cheaper. According to the NY Times, “…if it’s one or two pennies in price higher, they’re not going to buy it.” Only green brands with a more affluent customer are not experiencing a similar decline.

Food columnist Mark Bittman has a suggestion. Focusing on food, he says the US government should subsidize organic, small farmers who sell directly to customers. The result? “Green” products will be cheaper. Should we take this a step further and propose green subsidies for household cleaners. And maybe, still, a step beyond that and raise the tax on gasoline so that we conserve energy?

Your opinion?

The Economic Lesson

With incomes falling during the recent recession, the green response has been elastic. Called the income elasticity of demand, we tend to buy less of certain products when our purchasing power decreases and more when it rises. For other products, our quantity demanded is inelastic because, as with medication, quantity demanded changes less. 

With gasoline and price subsidies, an economist would take us to the price elasticity of demand. Here, the principle is the same as with income but instead, the price is the key variable affecting how much we buy. When price changes have a large impact on the quantity we demand, then our demand is elastic. If our response to price change is minimal, then our quantity demanded is inelastic.

Should government policy use our demand elasticity to influence our buying decisions?

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