国际贸易实务英文版课件帅建林 ISBN9787810789561 PPT帅ch1 2 3 4.pptVIP

国际贸易合同磋商与订立 Security Concerns about security Client security issues Server security issues Security policy, risk assessment Authentication methods Something you know: passwords Something you have: smart card Something you are: biometrics Firewalls, proxy servers, intrusion detection Denial of service (DOS) attacks, viruses, worms Payment Systems Role of payment Cash properties: wide accept, convenient, anonymity, untraceability, no buyer transaction cost Online credit card payment, Smart Cards Secure protocols: SSL, SET Internet payment systems Electronic cash, digital wallets Micro-payments Wireless devices Transactions Processing Transactions and e-commerce Overview of transaction processing Transaction processing in e-commerce Keeping business records, audit, backup High-availability systems Replication and scaling Implementation Other System Components Taxes Shipping and handling Search engines Data mining Intelligent agents Inventory management, enterprise resource planning (ERP) Customer relation management (CRM) Direct and Indirect Quotations Quotes using a countrys home currency as the price currency are known as direct or price quotation (from that countrys perspective) and are used in the US and most other countries. direct quotation: Home Currency / Foreign Currency e.g. USD100=RMB828.20 Quotes using a countrys home currency as the unit currency are known as indirect or quality terms quotation and are used in British newspapers and are also common in Australia, New Zealand and Canada. indirect quotation: Foreign Currency / Home Currency e.g. RMB100=USD12.074 Free or pegged If a currency is free-floating, its exchange rate against other countries can vary against other such currencies. In fact such exchange rates are likely to be changing almost constantly as quoted by financial markets and banks around the world. If the value of the currency is pegged its value is maintained by the gover