The other day, I posted about the convergence between my own qualitative findings on the food security outcomes of food price instability and those of Marc Bellemare, Chris Barrett and David Just: that, at least in various parts of Africa, such instability was most likely to impact the middle and upper income cohorts more than the lower income cohorts of a given population.  However, I jumped too quickly in assuming that their dataset included rural and urban households – as Marc pointed out on his blog, they used a panel of rural household surveys.  So my initial argument about convergence does not hold up, as they did not consider the urban context in their work.
This is not to say that I am backing away from my assessment of the vulnerabilities of urban populations to this sort of challenge – I stand by it, having seen it, if only anecdotally, in towns and cities in Ghana over the past 13 years.  Urban populations are generally much more dependent on markets for their food supply than those living in rural areas (though this is not always true), and therefore price instability does create significant livelihoods uncertainty that is very difficult to manage, especially for the urban poor.  I therefore stand by my argument that we need to be keeping a close eye on the relative impact of price volatility on urban and rural populations, as the impacts of such volatility is likely to have very different impacts on these groups.
But recognizing that Bellemare et al’s work only addresses rural outcomes is not a problem for my argument about what I am loosely calling temporary deglobalization as a strategy for managing price instability (and price increases) – indeed, I think it strengthens the argument because it means that their dataset is now commensurate with mine, which was also rural.  As I argued in an extended comment on Marc’s blog:

The rural farmers most hit by price instability are those most integrated with global markets – the ones least able to deglobalize, as it were, when things get uncertain . . . Meanwhile, the bottom 60% is not as engaged with markets in which price volatility matters, and therefore can back away from them in terms of how they use their crops. In my work in Ghana, I found very few true cash crops (in the area I was working). Instead, some crops were treated like “cash crops” in years where price conditions and farm outputs of staple crops were favorable, and as staple crops when either prices were not favorable (including periods of volatility) or outputs of other staples used for subsistence were not adequate to meet household food needs. (Note: in many cases, the treatment of a crop as “cash” or “staple/subsistence” was highly gendered as well). The real difference between the rich and poor (relative terms in the Ghana sample) is the overall livelihoods strategy – one strategy (seen among the wealthier) is much, much more engaged in production for local markets, while the other (seen among the poorer) hedged market production with significant subsistence production (again, highly gendered). In years of volatility (or really in the face of most shocks), the market-oriented livelihoods were simply less resilient than the more diversified livelihoods strategies of the poorer households.

Or, as Marc himself noted in his response to my post on his blog:

[The wealthier] households tend to be hurt by price volatility because they are producers and therefore net sellers of most of (if not all) the seven commodities retained for analysis (i.e., coffee, maize, beans, wheat, teff, barley, sorghum).

So this means that the “temporary deglobalization” argument is not merely a rural-versus-urban argument, but one that can separate households in the same rural community.  This, I think, strengthens one of the arguments I was making in my original post:

• Demanding that rural producers orient themselves toward greater and greater integration with global markets in the absence of robust fallback measures (such as established, transparent microinsurance and microsavings initiatives) will likely extend the impact of future price instability further into the poorest populations.