Packages are negotiable only at the entry stage; later on, they tend to lose their elasticity!
Bear in mind that packages are not necessarily related to the innate worth of an incumbent. These have more to do with the company’s corporate ego (read brand value), and also the comfort levels offered. Companies offering high-pressure assignments in high-entropy business environments tend to be more liberal with the packages they offer.
The rate of growth of packages outside the company would always be better than the jumps you get in-house. If you are willing to challenge yourself and move out of your present comfort zone, do not grumble for long; find another exciting opportunity and move on!
As postulated by the Motivation-Hygiene Theory of Herzberg, packages fall in the Hygiene category of rewards. To use a medical analogy, their presence does not necessarily make a person healthier; on the contrary, their absence can cause deterioration in health.
To put it simply, when it comes to individual motivation levels, packages have a rather short shelf life.
When it comes to chucking out the deadwood, organizations could come up with innovative severance packages!
(Excerpt from my book ‘Surviving in the Corporate Jungle’, the English version of which was released recently.)
ashokbhatia 
Very brief treatment to the topic
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Thank you for your kind comment. Since the book covers around 120 topics of interest to managers, most topics get treated rather briefly. Yes, much more can be said on the subject.
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