California’s egg laws affecting production, prices

Egg production dropped while prices rose due to California animal welfare laws passed under Prop 2.

October 4, 2017

4 Min Read
California’s egg laws affecting production, prices

Laws that changed animal confinement standards in California raised the price of eggs dramatically upon adoption and have kept prices higher than had the laws not been enacted, according to a Purdue University study. An analysis of the laws’ effects on egg production and prices in California could inform other states considering similar legislation.

The 2008 Prevention of Farm Animal Cruelty Act, approved by 63% of California voters, requires animal producers to increase the amount of space available to animals in chicken battery cages, veal crates and sow gestation crates. The law, which took effect in January 2015, requires that confined spaces be large enough to allow animals to “turn around freely, lie down, stand up and fully extend their limbs.” The law banned the production and sale of products that didn’t meet these requirements, and another law required products imported from other states follow the same rules.

Jayson Lusk, a distinguished professor and head of Purdue’s department of agricultural economics, and Conner Mullally, an assistant professor in the University of Florida's food and resource economics department, analyzed 16 years’ worth of egg production and pricing data from California and surrounding states both before and after the law went into effect. Their findings were reported in the American Journal of Agricultural Economics.

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California egg producers started implementing the new rules years before required by removing one or more hens from battery cages that often house multiple birds. So, even before 2015, there were fewer hens, and production in the state started to drop.

“Initially, consumers got the same amount of eggs. California retailers were importing eggs from other states to make up for the shortfall,” Lusk said. “Leading up to the point at which the policies went into place, the number of eggs wasn’t different, but they were coming from other places.”

Once the laws went into effect, however, many of those imports stopped, because out-of-state producers were not all following the confinement space rules of the California laws. Supply declined, and prices rose.

By July 2016, the number of egg-laying hens and eggs produced in California had dropped by 35%. Lusk and Mullally said that led to price increases as high as 33% per dozen. The average price for a dozen eggs was 22% higher from December 2014 to September 2016.

“Our results indicate that, over the 22 months observed in our data after the initial structural break in retail prices, total consumer welfare losses from higher retail prices in the three markets considered by this article were between $117 million and $144 million, or between $12.15 and $14.97 per household,” the authors wrote.

By the fall of 2016, prices were about 9% higher than they would have been without the new law.

“Egg prices compared to other places increased pretty dramatically,” Lusk said. “Over time, that price impact diminished a little bit, but it hasn’t gone away completely. Californians initially paid quite a bit more for eggs, and now they’re paying more, but not as much as right when the law went into effect.”

Lower prices at the end of the study may stem from a boost in supply following an avian flu epidemic.

“After the recovery of the egg industry from the 2015 bird flu outbreak, there was a glut of eggs on the market that led to record-low prices. The large available supply would have made it fairly easy to redirect eggs to California in response to high prices,” Mullally said.

Egg production in California is still significantly lower than it has been before the new laws took effect, though. According to data from the U.S. Department of Agriculture’s National Agricultural Statistics Service, California produced more than 5 billion eggs every year from 2008 to 2013. By 2014, that number had dropped to about 4.6 billion, and in 2015 and 2016, California hens produced fewer than 3.5 billion eggs.

While not taking a stance on the animal welfare law, Lusk and Mullally still wanted to understand what it meant in terms of production and cost for producers and consumers. They believe the findings can inform residents and lawmakers from other states that are considering laws that require larger living spaces or free-range requirements for animals.

“Improving animal welfare may be a worthy policy goal. However, our results show that any such policy changes come with a price,” Mullally said. “Policy-makers and animal welfare advocates will have to weigh the costs described in our article against any perceived benefits. Given the large impacts on production, it will be particularly important for policy-makers and animal welfare advocates to engage with the egg industry.”

The findings also show that because of higher retail egg prices, Californians may experience at least a $25 million annual welfare loss -- a monetary measure of how a change affects quality of life. The figure of $25 million does not factor in higher prices paid for meals in restaurants, hotels, etc., suggesting that actual welfare losses could be significantly higher.

Lusk’s future work on the issue will look at consumers’ stated preferences for cage-free eggs and the actual demand for those products. In surveys, a growing number of consumers say they want cage-free eggs, but the demand for those products has not matched up.

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