Chapter 5 Learning Objectives 1. Explain the concept of price elasticity of demand and its calculation. The price elasticity of demand measures the responsiveness of quantity demanded to changes in price; it is calculated by dividing the percentage change in quantity demanded by the percentage change in price. 2. Explain what it means for demand to be price inelastic‚ unit price elastic‚ price elastic‚ perfectly price inelastic‚ and perfectly price elastic. Demand is price
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DRUGS A drug is a chemical substance taken into the body that modifies or affects chemical reactions in the body. Generally‚ drugs are developed for medical use. Without drugs‚ people would live much shorter lives or suffer greater pain. All drugs are dangerous when misused. ANTIBIOTICS [pic] What are Antibiotics? a chemical substance ‚ produced by a microorganism (bacterium or fungus) which will inhibit the growth or replication of other microorganisms. • Effective
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Top of Form 1 . Revenue increases when A. producer surplus increases B. producer surplus decreases C. consumer surplus increases D. consumer surplus decreases Bottom of Form Correct : Producer surplus is the difference between the minimum price the producer is willing to receive and what they actually receive. The surplus is their profit‚ and the larger the surplus‚ the greater their profit on the good. When it decreases‚ the producer receives a price closer to the minimum acceptable. The
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Biology Revision summer 2012 1-Characteristics of living organisms Nutrition- taking in of nutrients which are organic substances and mineral ions ‚ containing raw materials or energy for growth and tissue repair ‚ absorbing and assimilating them . Excretion- the removal from organisms of toxic material‚ the waste products of metabolism and substances in excess of requirement . Respiration- the chemical reactions that break down the Sensitivity- The ability to detect or sense changes in the
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the farm. • So‚ in 2001‚ couples in rural areas were allowed to have a second child if the first one was a girl. • The one-child policy has been very successful. It has slowed down population growth in China massively. It also greatly increased economic development‚ because people with only one child had
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Edexcel AS Physics in 100 Pages -----an easy-to-understand textbook & exam preparation guide Copyright ©2011 by Yajun Wei All rights reserved under international Copyright Conventions. No part of the text of this book may be reproduced in any form or by any electronic or mechanical means‚ including information storage and retrieval systems‚ without permission in writing by the publisher‚ except by reviewers or catalogues not limited to online for purpose of promotion. Front Cover photo
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Global Marketing‚ 6e (Keegan/Green) Chapter 2 The Global Economic Environment 1) The global economic crisis vividly illustrates the dynamic‚ integrated nature of today’s economic environment. Answer: TRUE Diff: 1 Page Ref: 39 AACSB: Reflective Thinking 2) Cars with European nameplates such as Peugeot‚ Volvo‚ Renault‚ and Citroen were originally designed as local cars mostly destined for local or regional markets. Answer: TRUE Diff: 2 Page Ref: 39 AACSB: Reflective Thinking 3) During the
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EXAMINERER TIPS for IGCSE History 0470 Good revision is not just learning your history but also how you use it to get the best grade you can. General advice Preparing to get a good grade begins as soon as you start your IGCSE course. You can prepare by: • finding out what you need to know. • organising your notes. Make a list of the topics studied under the headings ‘Core content’ and ‘Depth or Nineteenth/Twentieth Century Studies’. • knowing how your IGCSE papers are structured and practising past
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Revision Checklist for IGCSE History 0470 Guide for Students Revision Checklist for IGCSE History 0470 A Guide for Students How to use this guide The guide describes what you need to know about your IGCSE History examination. It will help you to plan your revision programme for the examination and will explain what the examiners are looking for in the answers you write. It can also be used to help you to revise by using the tick boxes in Section 3‚ ‘What you should be able to’ to check
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Specification GCE Biology Pearson Edexcel Level 3 Advanced Subsidiary GCE in Biology (8BI01) First examination 2014 Pearson Edexcel Level 3 Advanced GCE in Biology (9BI01) First examination 2014 Issue 5 Edexcel GCE in Biology – Foreword Edexcel is delighted that this specification has been developed in collaboration with the Salters-Nuffield Advanced Biology project‚ which leads the field in innovative approaches to teaching and learning in biology at A level. Salters-Nuffield
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