¿Qué son la oferta y demanda?

the long version

This volume offers a concise overview that's perfect for young readers who are just learning about economics. A basic overview of supply and demand breaks down the concept with clear explanations of each aspect, using concrete examples to which readers of the focus age group can relate and understand. Vibrant illustrations help reinforce the text, and pertinent vocabulary is highlighted in bold boxes or in the glossary. Questions throughout help readers put the ideas into context. This lively text keeps readers engaged and turning the pages. Detailed Table of Contents, Fact Boxes, Full-Color Photographs, Further Information Section, Glossary, Index, Sidebars, Websites.