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Sticky wages refer to the phenomenon where wages are slow to adjust to changing economic conditions. This means that wages do not instantly respond to changes in supply and demand conditions. In general, wages are considered to be sticky in the short run rather than the long run.

There are several factors that contribute to wage stickiness, including: 1. Labor contracts: Long-term contracts typically prevent wages from adjusting quickly. 2. Minimum wage laws: Government legislation may set a wage floor that prevents wages from falling below a certain level. 3. Psychological and social factors: Employers may be reluctant to cut wages, as workers may view a reduction in pay as unfair and may become demotivated, potentially harming productivity. 4. Implicit contracts: Employers and employees may have informal agreements that result in wage stability in the short run. 5. Efficiency wages: Employers may pay workers above the market-clearing wage to increase productivity, making it difficult to adjust wages downward.

The question posed is whether it makes sense for wages to be sticky downwards but not upwards. If wages are sticky in one direction but not the other, it implies that there is some asymmetry in how wages adjust to changing economic conditions. One possible argument for this asymmetry is that employers may be more likely to delay wage cuts rather than wage increases due to the psychological and social factors mentioned earlier. Reducing wages may result in decreased employee morale, increased turnover, and a loss of productivity, while increasing wages may have the opposite effect. In addition, increasing wages might be more accepted by employees, while downward adjustments could face resistance.

On the other hand, some may argue that wages can be sticky in both directions. Causes of wage stickiness, such as labor contracts or implicit contracts, may make it difficult for wages to adjust either upward or downward. Additionally, economic shocks can lead to wage stickiness in both directions as both a sudden increase or decrease in wages may create distortions in the labor market, leading to sluggish adjustments. To conclude, while there might be some evidence to suggest that wages can be more sticky downwards than upwards, ultimately, the extent of the stickiness depends on the specific economic conditions and labor market institutions in place. Both upward and downward wage stickiness can arise as a result of similar underlying factors but may manifest in different ways depending on the nature of the labor market and the behavior of employers and employees.