Incentives can be a great way to move a product or idea, but dis-incentives are more personal and can be very disruptive for that individual (ie: income tax, sales activity micromanagement). I am a firm believer that good salespeople like to behave as if they run their own business. When governing bodies try to enforce restrictions, penalties, and/or lessen the "feeling of freedom", then good "business owner" type salespeople go away.
Good sales training teaches people to have systems and to understand that even individuals need to have systems to market/prospect/research/appointment strategy/implementation strategy, etc. Once you have systems, any sales environment you step into can easily fall within your systems and "be processed" to completion (get order or disqualify opportunity - which can be just as good as getting the order
