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Value-added tax (VAT) dominates tax systems around the world. But should every country have a VAT? Is VAT always as good as it could be in economic, equity and administrative terms? In developing and transitional countries the answers to such questions are critical to stability, growth and development. VAT is a critical fiscal tool in most countries. But VAT can sometimes be better designed and almost always better administered. The key questions that must be answered in designing and implementing VAT are essentially the same in all countries. But different tax designs may best suit different countries facing different circumstances. This book reviews experiences with VATs around the world and assesses how the choice of particular design features may affect outcomes in particular contexts.

Practical know-how on growing your own crops, from large vegetable garden to herbs in containers.

Richard Bird is famed for the clarity and rigour of his writing. His new textbook, which introduces functional programming to students, emphasises fundamental techniques for reasoning mathematically about functional programs. By studying the underlying equational laws, the book enables students to apply calculational reasoning to their programs, both to understand their properties and to make them more efficient. The book has been designed to fit a first- or second-year undergraduate course and is a thorough overhaul and replacement of his earlier textbooks. It features case studies in Sudoku and pretty-printing, and over 100 carefully selected exercises with solutions. This engaging text will be welcomed by students and teachers alike.

A practical and accessible guide to growing your own delicious vegetables at home. Whether you have a front garden, a back garden, or a humble window box, here is everything you need to know about p

From flowers and foliage to ferns and grasses, learn to create the perfect garden with the best perennials. This handy format offers experts, practical advice and inspiration.