Prices are commonly set by bargaining, also known as haggling, between buyers and sellers. Haggling is still a very important part of trade in the souks. Haggling and aggressive selling are rarely practised. Their haggling is a metaphor for their courtship. Haggling over lighthouse's specifications mired down the process and another survey was done. A majority of the trading occurs through haggling. Haggling over prices is a common practice at such markets. Even where currency is used, haggling over prices is very common. In practice, both haggling and sale by set-price have been significantly more common. When the proportion of haggling consumers goes up, prices tend to rise. That night, Louise lets Simon sleep in her bed after haggling over the price. It could in turn result in haggling throughout the journey to receive the lowest prices. After haggling, Zhou paid $3,000. Where it is to be drawn is a matter of argument, indeed of haggling. Process analysis is the theory closest to haggling.