INCREASING THE REVENUE
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I am particularly focusing to airliner.In spite of flights filled to capacity,there is not marked profits.
One reason is that the cost-reduction could not go further, as the management has been effectively enforcing the same.Everytime,the management grapples with stiff resistance from the employees,if they are negotiated on reduced pay or benefits.
To generate revenue without a threat to either employees or general public, i suggest displaying commercials in the T.V.screens installed inside the aircrafts.The advertisers ,as and when they launch their services/products would have the benefit of effective propaganda.
If mutually agreed, the new products could be displayed or sold during travel-time.Depending on the volume of traffic,the cost of ads. could be worked out.