Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitlePopper and Production: Testing Parametric Restrictions in Systems under Nonstationarity.AuthorsClark, J. Stephen; Grant, K. GaryPublicationCanadian Journal of Agricultural Economics, 2000, Vol 48, Issue 1, p15ISSN0008-3976Publication typeArticleDOI10.1111/j.1744-7976.2000.tb00262.x