Counterfeiting is a widely spread phenomenon and has seen rapid growth in recent years. In this paper, we adopt the standard vertical differentiation model and allow consumers the choices of purchasing an authentic product, purchasing a counterfeit, or not buying. We focus on how non-deceptive counterfeits, which consumers know at time of purchase that the products are counterfeits with certain...

We study counterfeiting of currency in a search-theoretic model of monetary exchange. In contrast to Nosal and Wallace (2007), we establish that counterfeiting does not pose a threat to the existence of a monetary equilibrium; i.e., a monetary equilibrium exists irrespective of the cost of producing counterfeits, or the ease with which genuine money can be authenticated. However, the possibilit...

In southeast Asia, the widespread high prevalence of counterfeits tablets of the vital antimalarial artesunate is of great public health concern. To assess the seriousness of this problem, we quantified the amount of active ingredient present in artesunate tablets by liquid chromatography coupled to mass spectrometry. This method, in conjunction with analysis of the packaging, classified tablet...

Objective: This study aims to examine the proliferation of counterfeit goods, investigate consumer attitudes towards these products, and identify factors influencing their purchase decisions in context Nagercoil city, Tamilnadu, India. Theoretical Framework: The research draws upon theories from previous studies, focusing on understanding dynamics counterfeiting contemporary market. theory is b...

BACKGROUND Counterfeit drugs comprise an increasing percentage of the US drug market and even a larger percentage in less developed countries. Counterfeit drugs involve both lifesaving and lifestyle drugs. OBJECTIVE To review the health and economic consequences of counterfeit drugs on the US public and on the healthcare system as a whole. METHOD This comprehensive review of the literature ...