Hysteresis can occur via changes to variables or parameters.

Rex1 can control the expression of Peg3 via epigenetic changes.

The first is via changes in interest rates.

The second is via changes in the exchange rate.

Changes in money supply (or demand) will affect national income via changes in the rate of interest.

One notable feature of the gold standard was that it allowed automatic adjustment to take place via changes in expenditure and output.

This is typically achieved via changes of the chromatin structure.

These 'signals' occur via changes in relative prices.

This is visible to application programmers only via changes to the URL.

Short sleep duration may also lead to obesity, through an increase of appetite via hormonal changes.