Structure Economic profit Short-run- profit maximization -Comparative statics Long- run profit maximization Profit maximization and returns to scale Revealed profit maximization

Structure Market equilibrium Quantity tax and equilibrium Tax incidence税收分担) Deadweight loss(额外净损失)

Structure Definition Consumption externality Production externality The tragedy of commons

Structure From Individual to Market Demand Functions Elasticities Revenue and ownprice- elasticity of demand Marginal revenue and price elasticity

Structure The cost minimization problem Average costs Returns to scale and total and average costs Short run and long run costs

Structure Utility function(效用函数) Definition Monotonic transformation(单调转换) Examples of utility functions and their indifference curves Marginal utility(边际效用) Marginal rate of substitution边际替代率 MRS after monotonic transformation

Structure Endowments(禀赋) Budget constraints with endowments Net demands -Price offer curve Example: Labor supply Comparative statics Slutsky equation revisited

Structure Market supply Short-run- supply and equilibrium Long -run- supply and equilibrium Long -run- implications for taxation Fixed inputs and economic rent(经济租金)

Structure Describe budget constraint -Algebra Graph Describe changes in budget constraint Government programs and budget constraints on- -linear budget lines

Online Journalism Education: Reaching and teaching globalised media ProfAlan Knight Central Queensland University This paper considers how digital convergence of text, audio and image on the net might impact on the content, structure and delivery of