A candy manufacturer that made candy at a lower cost without improving the quality of the candy could be said to increase efficiency without increasing effectiveness.
Explanation:
According to the candy manufacturer he is of the opinion that by lowering the cost of production of the candy it will enhance the production of candy. It may be viewed as lowering the cost of production leads to increased efficiency in the way the more production.
But in the overall scenario the quality of the candy is kept outside the purview of the production. The sole aim of the candy manufacturer is to prove that enhance efficiency in production rather than quality of the candy.
So from the above observation the candy manufacturer is said to be has increased efficiency without increasing effectiveness.