Advantages: lighter, more compact, and easier to use. Weighing capacity tends to be bigger. Disadvantages: with repeated use, the spring in the scale can be permanently stretched. This tends to bring less accurate weights.
- It only relates to the specific time, not a period of trading - Occasionally does not give accurate picture on real time basis since invalid data is used
Opportunity cost is the key to comparative advantage: Individuals and nations gain by producing goods at relatively low costs and exchanging their outputs for different goods produced by others at...
telex has almost disappeared, superseded by the fax machine and email.
The advantage over telegraph is that ordinary people could read the output (Latin alphabet cf. Morse code), and over the...