Ruud van Nistelrooy said his double substitution early in the second half was "necessary" as Manchester United beat Leicester City 3-0. Van Nistelrooy decided in the 50th minute to send on Jonny ...

Research Institute for Sustainable Energy (RISE), TCG Centre for Research and Education in Science and Technology (TCG-CREST), Kolkata 700091, India Institute for Energy and Materials ...

If you're anything like us, you always keep a jar of vegetable shortening in your pantry. Our grandmas taught us that shortening is a stand-by in quite a few Southern recipes, particularly our baked ...

PixelsEffect / Getty Images Goods and services are affected by income and substitution in different ways. The income effect is the change in consumption due to changes in consumer income.