The p value wars (again)

Interpreting the P Value

We appreciate the support of Teramoto and colleagues for the concepts outlined in our recent commentary in CHEST (August 2010), 1 which include the importance of a multidisciplinary approach to evaluating interstitial pneumonia (IP) and emphasize the usefulness of specifi c autoantibodies, such as anticyclic citrul linated peptide (CCP), as part of the assessment for connec tive tissue disease-...

Strong and weak rarity value in Small Fish Wars

We analyze the e¤ects of rarity value on the economic and ecological sustainability of a natural resource. Rarity value means that under extreme scarcity of the resource unit pro…ts increase ‘explosively’. We focus on equilibrium behavior of very patient agents in a Small Fish War. In such a setting, agents interacting on a body of water have two options: they can …sh with restraint or without....

Commentary: The P-value, devalued.

the many honorifics bestowed on the articles in this historical series, it is doubtful that any have had applied the best—funny. The rhetorical zest and smiling outrage that Joseph Berkson brings to his puncturing of the quasi-religious precepts of traditional statistics in his classic article 1 recalls for me a public debate I witnessed in the 1980s between a highly respected statistician and ...

From Commodity Chains to Value Chains and Back Again?

This paper assesses the achievements and limitations of the commodity chains framework as it has evolved over the last near-decade, and concludes by suggesting directions for future research. First, I examine the evolution of the chain approach by briefly discussing the differences between the two camps that employ the commodity chain concept: the world-systems school (whose proponents coined t...

The New Wars Debate: