Which forecasting technique is better: qualitative or quantitative? Why?

Qualitative forecasting techniques are usually used for short-term forecasts (i.e. a week or a month), where adequate amount of historical data and time series data are not available. On the other hand, quantitative forecasting techniques are more likely to be successful when there is adequate historical data available and the forecast period is longer (i.e. a quarter to a year).

What are the examples of poor forecasting that one may encounter?

Poor forecasting can be the reason of terrible consequences. Relatively accurate forecasting, more or less, drives toward financial success. Here are some examples of poor forecasting that one may encounter.

What are some of the problems typically associated with production forecasting?

Production forecasting is the process of estimating the future demand of products and services. Some common problems typically associated with production forecasting is-