Naoki Wakamori - Latest

• Identifying the Degree of Collusion Under Proportional Reduction

  Staff Working Paper 2017-51 Oleksandr Shcherbakov, Naoki Wakamori

  Proportional reduction is a common cartel practice in which cartel members reduce their output proportionately. We develop a method to quantify this reduction relative to a benchmark market equilibrium scenario and relate the reduction to the traditional conduct parameter.

  Content Type(s): Staff research, Staff working papers Topic(s): Econometric and statistical methods, Market structure and pricing JEL Code(s): C, C3, C36, D, D2, D22, L, L4, L41

• Why Do Shoppers Use Cash? Evidence from Shopping Diary Data

  Staff Working Paper 2012-24 Naoki Wakamori, Angelika Welte

  Recent studies find that cash remains a dominant payment choice for small-value transactions despite the prevalence of alternative means of payment such as debit and credit cards. For policy makers an important question is whether consumers truly prefer using cash or merchants restrict card usage.

  Content Type(s): Staff research, Staff working papers Topic(s): Bank notes, Econometric and statistical methods, Financial services JEL Code(s): C, C2, D, D1, G, G2

• Portfolio Considerations in Differentiated Product Purchases: An Application to the Japanese Automobile Market

  Staff Working Paper 2011-27 Naoki Wakamori

  Consumers often purchase more than one differentiated product, assembling a portfolio, which might potentially affect substitution patterns of demand and, as a consequence, oligopolistic firms’ pricing strategies.

  Content Type(s): Staff research, Staff working papers Topic(s): Economic models, Market structure and pricing JEL Code(s): D, D4, L, L5, Q, Q5