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Food and Ag Policy Roundup

Legislators potentially stall changes to dietary recommendations

An appropriations bill in the House of Representatives was passed out of the agricultural subcommittee last week.  It contained the following language:

“None of the funds made available by this Act may be used to release or implement the final version of the eighth edition of the Dietary Guidelines for Americans, revised pursuant to section 301 of the National Nutrition Monitoring and Related Research Act of 1990 (7 20 U.S.C. 5341), unless the Secretary of Agriculture and the Secretary of Health and Human Services comply with each of the following requirements:
(1) Each revision to any nutritional or dietary information or guideline contained in the 2010 edition of the Dietary Guidelines for Americans and any new nutritional or dietary information or guide line to be included in the eighth edition of the Dietary Guidelines for Americans—
(A) shall be based on scientific evidence that has been rated ‘‘Grade I: Strong’’ by the 6 grading rubric developed by the Nutrition Evidence Library of the Department of Agriculture; and
(B) shall be limited in scope to only matters of diet and nutrient intake. ”

Not surprisingly, the move has raised the ire of some nutritionists.  Here's one who pushes back by saying

“The type of studies that could produce “Grade 1: Strong” evidence is extremely difficult to do in nutrition science research, because of the realities of studying free-living human beings”

and

“It makes no sense to use different standards for existing recommendations than for new recommendations. ”

So, because it is too hard to get good evidence that goes beyond correlational analysis, we should be permitted to continue to use the voice of the government to promote weak evidence and advise millions of people how to eat?  And, because we've used weak science in the past, we should continue to to use it now?  

I'd ask many of these same people if drug companies should be able to get approval from the FDA for a new drug based on the same types of studies being used to make nutritional recommendations?  If the issue here is standards of scientific evidence, why the different bars of scientific scrutiny in one case vs. the other?

I'm sympathetic to the nutritionist's concerns about politics affecting science, and I don't have a position one way or the other on aforementioned language in the appropriations bill (which may or may not make into law).  Nonetheless, there is a presumption implicit in many arguments that support the recommendations that the scientists are relying on good, compelling scientific evidence.  But, they are people too, after all, as are our elected officials.  Moreover, as I've pointed out before with regard to these guidelines, there is as much value judgement going on here as there is science.  Another challenge is that the authors of the guidelines seem to presume that people will follow - precisely - the recommendations to a tee (rather than, say, substituting meat for more carbs) and will ignore cost implications, but this misses insights from behavioral research on how people will actually respond and substitute.  Most people won't follow the precise recommendations and that should be taken into consideration by the recommendation makers. The fact that we citizens are "free-living humans beings" not only makes the research hard, it should give us pause in expecting too much of high minded regulation.  

How do USDA and EPA regulations affect farm profitability and productivity?

In a new working paper by Levi Russel, John Crespi, and Michael Langemeier, the authors create indices of the amount of regulation affecting farmers and study the extent to which such regulation affect profit and productivity growth.  

They write: 

“This paper examines the effect of USDA and EPA regulation on state-level farm performance from 1997 to 2012. The degree to which each agency regulated the agricultural sector was measured by total regulatory spending for each agency and by an index of regulatory restrictions in the Code of Federal Regulations. Two measures of farm performance were used: profitability and productivity growth. The data used to calculate profitability and productivity growth include state-level revenue and expenses data on crops, livestock, forestry, and other agricultural outputs taken from the USDA-ARMS database.

Effects of regulation are found to differ across measures of regulation and farm performance. When regulation is measured by regulatory spending, USDA regulation has a negative effect on both productivity growth whereas EPA regulation positively impacts both profitability and productivity growth. When regulatory restrictions are used to measure regulation, USDA and EPA regulations have a statistically significant, negative effect on profitability and productivity growth. The effects on profitability are measurably smaller than those on productivity growth.”

The take home:

“Productivity growth is likely to be a better measure of farm performance than
profitability . . . we find cumulative reductions in productivity growth over the 1997-2012 period of 19.94% and 25.92% due to growth in USDA and EPA regulation, respectively. It is important to note that these are reductions in the growth rate of productivity,
not its level.”

Does Subsidized Crop Insurance Encourage Farmers to Take Risk?

“This paper devises a tractable empirical framework to examine whether the highly subsidized crop insurance program by the United States government makes farmers more sensitive to changes in extreme heat and thereby limits their ability to cope with extreme heat or adapt to it. Insured farmers might not engage in the optimal protection against harmful extreme heat as the resulting crop losses are covered by the insurance program. . . Our results suggest a significant amount of moral hazard in federal crop insurance. ”

That's from a paper by Francis Annan and Wolfram Schlenker  just released in the American Economic Review proceedings issue.  The authors go on to write:

“This has important implications: first, since the federal government encourages participation in the crop insurance program through premium subsidies, the presence of moral hazard implies that there will be additional cost to the program as losses exceed what they could have been without the program. Second, climate change will amplify the government induced distortion as it will increase the frequency of extremely hot temperatures. Third, our findings imply that there are possibilities to adapt to climate change as uninsured areas show lower sensitivities, but this adaptation potential is skewed by government programs that give a disincentive to engage in it. A farmer will choose subsidized yield guarantees over costly adaptation measures.”

Distributional Effects of Selected Farm and Food Policies

The Mercatus center released a report yesterday that I wrote on the farm-to-consumer effects of food policies, focusing crop insurance subsidies, SNAP, and ethanol promotion.  

The federal government subsidizes the premiums farmers pay for crop insurance - often around 65% of the premium.  What effect does that have on farm and food prices?  Here's a summary:

“Federal crop insurance is a textbook example of concentrated benefits and diffuse costs. Most food producers and consumers receive some benefit from crop insurance through the direct subsidy and decreased food prices. Those who stand to benefit most from the program are best able to convince legislators to continue it. But taxpayers as a body, less able to advocate for their own interests, suffer a net loss as money is transferred from the pockets of all taxpayers through higher taxes to the pockets of producers and consumers of food, meaning people pay higher taxes rather than choosing to pay higher grocery bills. The $932 million in projected savings if federal crop insurance were ended represents the deadweight loss of subsidies: the economic cost of transferring money from many to some and the cost of the lobbying necessary to maintain the system.

Some farmers win from subsidies while other farmers lose. While farmers in the plains states that produce the bulk of the food insured by the government would lose money if the program were eliminated, farmers in western states such as California, Oregon, and Washington would benefit because products such as fruit, vegetables, and nuts, which are not heavily subsidized, would no longer be disadvantaged.

Consumers pay more in taxes rather than more at the grocery store. Consumers would pay higher prices for food if subsidized crop insurance were removed, but the benefit to taxpayers more than compensates for the higher food prices. Taxpayers have to pay about $1.80 for every $1 in lower food prices owing to federal crop insurance.”

I also find that SNAP (or food stamps) is a very inefficient form of farm support: for every dollar spent by taxpayers, farmers benefit by only one cent.  A reduction in demand for corn-based ethanol would reduce food - especially meat - prices, while hurting corn producers.