Original sentence: Because of the moral implications of conducting experiments on humans, economics is limited when it comes to performing  controlled scientific experiments and establishing reproducibility, two of the main principles of the scientific method
Edited sentence: "The only function of economic forecasting is to make astrology look respectable.Economics is limited as a science compared to exact science when performing  controlled scientific experiments and verification by reproducibility, two of the main principles of the scientific method.Outstanding macroeconomists as John Kenneth Galbraith have criticized their own profession, placing the pseudoscience of astrology in a better position than macroeconomics:.“The study of money, above all other fields in economics, is one in which complexity is used to disguise truth or to evade truth, not to reveal it