A complement good (or complementary good) is a good that should be consumed with another good. In economics, it is a good whose cross elasticity of demand is negative. This means that if more of Good A were bought, more of Good B would also be bought if they were complements. An example of complement goods are hamburgers and hamburger buns. If the price of hamburgers falls, more hamburger buns would be sold because the two are usually used together.
A perfect complement is a good that has to be consumed with another good. Many goods in the real world exhibit characteristics close to perfect complementariness. An example would be a pair of shoes.
The degree of complementariness does not have to be mutual. It can be measured by cross price elasticity of demand. In the case of video games, a specific video game has to be consumed with a video game console, the base good. While a video game console does not have to be consumed with that game.
In marketing, complementary goods give additional market power to the company. It allows vendor lock-in as it increases the switching cost. A few types of pricing strategies exist for complementary good and its base good.
Pricing the base good at a relatively low price to the complementary good - this approach allows easy entry by consumers (e.g. consumer printers)
Pricing the base good at a relatively high price to the complementary good - this approach creates a barrier to entry and exit (e.g. ???)
Public interest in complementary therapies is growing at a significant rate, easily outpacing the research conducted into their safety and effectiveness.
Awareness of complementary and alternative medicine is increasing amongst the medical profession and most doctors are sympathetic to its use.
If you feel that you would benefit from complementary and alternative medicine in addition to conventional treatment, this is perhaps a good indication of its worth to you.
Good Health prosperity is not about possession it is about good health priority, where good health courage and vision is resistance to the good health fear, mastery of fear not absence of good health and or good health exchange fear.
Good Health trade market offers a range of benefits, but the ease at which trade request and offers may be placed in the Good Health exchange market raises the possibility that some online traders might ignore prudent Good Health exchange principles and subject themselves to undesirable levels of trade risk.
Good Health Trade organizations which do this well are positioned to be Good Health market makers in their trade industry, while organizations which do not risk being blindsided by sudden shifts in Good Health demand which they did not anticipate and are not equipped to handle.
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