From Temporary Entry to a Career Path—or a Dead End
The protection gap becomes easiest to see when employment protection legislation is followed through time. This chapter traces what can happen after a worker enters on a temporary contract—renewal, screening, training, conversion, or exit—and uses that sequence to distinguish a genuine stepping stone from a recurring buffer. The result is a practical way to judge career quality without assuming that a fixed-term label determines a worker’s future.
A temporary contract is not a single event. It is a state in a relationship between an employer and a worker, and its meaning changes at each transition. A short period can help both sides test a match. A renewal can reflect a continuing temporary need, or it can conceal a permanent job that the employer does not want to create. Training can add value that survives the contract, or its absence can leave the worker no better prepared for the next one. The end of the term can lead to an open-ended job, another temporary spell, or a period of job search.
The route is made of transitions
The first state is temporary entry. The worker obtains access to a job, and the employer obtains a way to meet a short-term need or evaluate an uncertain match. This can be socially useful even when the contract does not last. A person with little labour-market experience may acquire information about workplace expectations, evidence of ability, and skills that can be carried elsewhere. The employer can observe performance rather than making a permanent commitment based only on a résumé.
But entry is only the first test. The next transition asks why the arrangement is continuing. If the underlying need has genuinely ended, exit may be the appropriate outcome. If the need continues, the employer may renew the temporary contract, convert the worker to an open-ended position, or reorganise the work. Those choices reveal more than the original hiring decision. They show whether the temporary form is being used for a defined purpose or as the default way to staff continuing work.
Screening and training are the two mechanisms most likely to make temporary entry a bridge. Screening reduces uncertainty about the match. Training increases what the worker can do and gives the employer a reason to retain them. The two mechanisms can reinforce each other: a worker who learns the firm’s processes becomes more valuable, while an employer that invests in that learning has more to gain from conversion. A temporary period does not have to guarantee a permanent job to function as a bridge, but the prospect of conversion must be credible enough to influence decisions on both sides.
The size of the protection gap changes those incentives. When the difference between temporary and open-ended protection is relatively small, converting a good match does not expose the firm to a radically different level of future cost. When the difference is large, conversion can look like a cliff: the employer moves from a relationship that can end relatively easily to one with substantially higher dismissal costs or procedural obligations. That makes screening less likely to lead to conversion, especially if the firm can renew temporary contracts or find another temporary worker instead.
Training is where this difference becomes tangible. A firm usually has more reason to invest in a worker when the worker is expected to stay long enough for the investment to pay off. A worker has more reason to acquire firm-specific knowledge when there is a reasonable possibility of remaining with the firm. If conversion is unlikely, both sides can rationally underinvest. The worker may prefer portable skills that help with the next job, while the firm may provide only the minimum instruction needed for the current task.
The evidence reviewed by the World Bank points in that direction. Temporary workers are generally less likely to receive training than permanent workers, and in the cited Spanish evidence temporary contracts were associated with a 6.5-percentage-point lower probability of on-the-job training. The estimate is not a universal effect for every country or contract. It does, however, illustrate why the contract’s future matters: when the next state is uncertain and conversion is unlikely, training becomes a cost with a weakly appropriable return.
The worker’s position at each transition also matters. At entry, a temporary contract may be better than no employment, and it may offer a chance to demonstrate ability. At renewal, however, the worker may have less bargaining power because the employer controls whether the relationship continues. If the worker has few alternatives, they may accept another short term even when the work is effectively ongoing. At exit, the worker carries the risk of interruption and must search again. The contract may have provided experience, but it may not have provided enough stability to accumulate savings, qualify for benefits, or plan a next step.
A career path is therefore defined by what persists across transitions. Skills, references, earnings history, professional relationships, and eligibility for social protection can carry forward. A contract end date does not erase those assets. But repeated short spells can also preserve a different pattern: uncertain income, fragmented tenure, limited employer investment, and a weaker chance of entering the open-ended track. The worker moves from job to job, yet the underlying position does not improve.
The lifecycle has two important loops. The first is constructive: entry leads to screening and training, the worker becomes more productive or better matched, and conversion follows. The second is self-reinforcing: a continuing need leads to renewal, renewal becomes repeated temporary work, and the term’s end sends the worker back to job search. The second loop can coexist with frequent hiring. It is a loop of movement without much upward movement.
When the route stops being a bridge
The difference between the two paths is not a matter of intention alone. An employer may describe temporary work as a trial while organising the job as a permanent buffer. A worker may accept a contract as an entry point while the available evidence suggests that conversion is rare. To distinguish the paths, examine the contract’s purpose, the pattern of renewals, who receives training, how skills transfer, and what happens to workers when the term ends.
Purpose is the first test. A contract tied to a genuinely temporary need has a reason to end. A training arrangement has a reason to teach. A screening period has a reason to resolve uncertainty. By contrast, repeated temporary contracts for work that continues in substantially the same form suggest that the temporary status is doing a different job: preserving flexibility by keeping the worker outside the stronger protection attached to open-ended employment. Purpose alone is not proof, but it identifies the question that enforcement must answer.
Renewal is the second test. One renewal may reflect a legitimate extension of a temporary need. A pattern of serial renewals can indicate that the firm has found a useful worker but is avoiding the more durable relationship. The effect on the worker is not just emotional uncertainty. Each renewal postpones the accumulation of tenure and the possibility of planning around stable income. It can also weaken the incentive to ask for training or challenge a misuse of the contract, because the worker’s immediate opportunity depends on the same employer’s next decision.
Conversion is the third test. A high conversion rate would not by itself prove that temporary work is well designed, since a system might convert a small selected group while leaving many others in repeated spells. A low rate would not by itself prove abuse, since some work is genuinely short term. But conversion prospects matter because they change behaviour before conversion occurs. If the worker and employer can both see a realistic path to an open-ended role, training and effort have a longer horizon. If the path is effectively closed, the temporary contract is more likely to serve as a buffer.
The research literature does not support one universal answer about this pathway. The World Bank review reports evidence both for and against the stepping-stone hypothesis. Positive findings are concentrated mainly in settings with lower firing costs for open-ended workers and a lower prevalence of temporary employment. Training-oriented arrangements and strong vocational-education systems, especially in examples from Austria and Germany, can strengthen the screening function. The same review reports evidence against the stepping-stone interpretation in high-gap, high-incidence dual markets such as Italy and Spain. Even in countries where a bridge is more plausible, the findings are not uniform.
The long-run Spanish evidence makes the stakes clearer. The cited study followed cohorts of male high-school dropouts entering the labour market around a 1984 reform that strongly liberalised the use of fixed-term contracts. The cohort entering after the reform was more likely to be working before age 19. That is an apparent entry benefit. Yet over the first ten years of their working lives, the same cohort accumulated 5% fewer days of work and earned 10% less. Over the first 27 years, yearly earnings losses still amounted to 7.3% in the reported comparison. The study found no effect for high-school graduates.
Those figures should be read with their denominator and context attached. They describe a particular Spanish reform, a particular cohort of male high-school dropouts, and a historical labour market. They do not estimate the lifetime effect of every fixed-term contract, and they do not show that early employment is always harmful. What they do show is that a route into work can alter the pattern of later work and earnings. An entry measure can improve while the career measure deteriorates.
That possibility helps explain why aggregate employment statistics can be reassuring while the career ladder is not. A temporary contract may raise the probability that someone is working at a young age or at a particular moment. But if the person cycles through jobs with less training, fewer days of work, and weaker conversion prospects, the initial gain can coexist with a long-run penalty. The appropriate evaluation therefore follows the worker beyond the first contract: employment continuity, earnings, skill accumulation, and movement into a more secure position.
Training and skill transfer deserve separate attention. Firm-specific knowledge can be valuable, but it is vulnerable to interruption. If a worker’s learning is narrowly tied to a task that ends with the contract, they may leave with little portable advantage. If training is recognised, transferable, and linked to a future role, the temporary period can improve the worker’s outside options even without immediate conversion. A bridge can therefore be built through skills as well as through a direct offer of permanence.
Exit options are the final test. A worker who can move to another stable job, access income support, or use recognised skills is less dependent on accepting repeated renewals. A worker with few alternatives may remain in the temporary loop even when the arrangement is no longer advancing their career. This is one reason vulnerability affects enforcement: challenging an improper contract can be costly when the likely consequence is losing the only available job. The legal right to contest a contract and the practical ability to use that right are not the same.
The result is a careful but important conclusion. Temporary employment is not intrinsically a dead end. It can screen, train, and open a route into more stable work when the protection gap is limited, the purpose is clear, and conversion or skill transfer is credible. But where the gap is large and temporary work is pervasive, the buffer function can dominate. The employer gets a flexible staffing instrument; the worker receives a sequence of provisional positions. That is how a contract intended to bridge uncertainty can become one of the lower tiers of a career ladder.
The next issue is how those career effects appear in broader outcomes. If workers remain in the temporary loop, does the labour market show lower unemployment, higher turnover, weaker earnings, less training, or slower productivity growth? Answering that requires separating the movement of jobs from the quality of the movement.