Examples of Price Elasticity of Demand. If the quantity purchased changes more than price change (say, 10%/5%), the product is termed elastic. If the change in quantity purchased is the same as the price change (say, 10%/10% = 1), the product is said to have unit (or unitary) price elasticity.
Wellbutrin had side effects at the beginning-the worst of which were insomnia and constipation. The insomnia abated after about 3 weeks of treatment and I take a fiber supplement to deal with the constipation. It also abates with time but never completely goes away.
1 Insomnia: Although most people experience insomnia while on Wellbutrin, it is also possible to experience it while coming off of the drug. 2  During any withdrawal, your body and brain are trying to restore normal function without the drug. 3  Therefore you may have difficulty falling asleep at night.