This document discusses the effects of oligopoly and collusion in the Australian banking industry. It explores how higher competition can lead to higher risks for banks and the efforts made by regulators to increase competition and maintain quality standards. The document also discusses the impact of decreased competition on output and prices for consumers. Additionally, it examines the factors influencing entry in the competitive market and the role of supernormal profits. In the second part, the document discusses discretionary fiscal policy and its countercyclical nature. It analyzes the Australian economy's performance in 2014, the reliance on monetary policy, and the role of the Reserve Bank of Australia (RBA). Finally, it explores the impact of a lower value of the dollar on exports and imports and provides recommendations for a contractionary fiscal policy in 2015.